Column Charts

A Column Chart, is a vertical graphical representation of different data categories.

Basic example
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
Stacked Column
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
Column with negative values
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
Dynamic loaded chart
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
Distributed column chart
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<template>
    <div class="row">
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control" placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4 mb-3">
            <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Input Box">
        </div>
        <div class="col-md-4 mb-md-0 mb-3">
            <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
        </div>
        <div class="col-md-4">
            <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
        </div>
    </div>
</template>
<div class="row">
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control"placeholder="Readonly"  value="Readonly"  readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control" placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4 mb-3">
        <input type="text" class="form-control is-valid"  placeholder="Disabled" disabled>
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Input Box">
    </div>
    <div class="col-md-4 mb-md-0 mb-3">
        <input type="text" class="form-control is-invalid"  placeholder="Readonly" value="Readonly" readonly>
    </div>
    <div class="col-md-4">
        <input type="text" class="form-control is-invalid"  placeholder="Disabled" disabled>
    </div>
</div>