<h1><a href="https://material.io/design/components/text-fields.html">Material Design</a> like form input text fields</h1>
<div class="container">
<form novalidate>
<div class="row">
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="firstname" class="form-field__label">First name</label>
<input id="firstname" type="text" class="form-field__input" />
</div>
</div>
</div>
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="lastname"class="form-field__label">Last name</label>
<input id="lastname" type="text" class="form-field__input" />
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="email" class="form-field__label">Email</label>
<input id="email" type="email" class="form-field__input" />
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="street"class="form-field__label">Street address</label>
<input id="street" type="text" class="form-field__input" />
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="zip"class="form-field__label">Zip code</label>
<input id="zip" type="text" class="form-field__input" />
</div>
</div>
</div>
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="city"class="form-field__label">City</label>
<input id="city" type="text" class="form-field__input" />
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-sm">
<div class="form-field">
<div class="form-field__control">
<label for="additionalInfo" class="form-field__label">Additional info</label>
<textarea id="additionalInfo" class="form-field__textarea"></textarea>
</div>
</div>
</div>
</div>
</form>
</div>
<p style="text-align:center">Read more: <a href="https://auralinna.blog/post/2018/how-to-create-material-design-like-form-text-fields" target="_blank" rel="noopener noreferrer">How to create Material Design like form text fields with floating label and animated underline bar</a></p>
<p style="text-align:center">See also: <a href="https://codepen.io/teroauralinna/pen/JeKrXe" target="_blank">CSS only version</a></p>
html, body {
color: #333;
font-size: 16px;
line-height: 20px;
}
body {
margin: 20px;
}
h1 {
line-height: 1.2;
margin-bottom: 35px;
text-align: center;
}
.container {
margin: 0 auto 35px;
max-width: 450px;
}
/* Actual code example */
$primary-color: #b11adc;
$animation-duration: 0.4s;
@mixin label-active() {
font-size: 0.75rem;
transform: translateY(-14px);
}
.form-field {
display: block;
margin-bottom: 16px;
&--is-active {
.form-field__control {
&::after {
border-bottom: 2px solid $primary-color;
transform: scaleX(150);
}
}
.form-field__label {
color: $primary-color;
@include label-active();
}
}
&--is-filled {
.form-field__label {
@include label-active();
}
}
}
.form-field__label {
display: block;
font-size: 1.2rem;
font-weight: normal;
left: 0;
margin: 0;
padding: 18px 12px 0 ;
position: absolute;
top: 0;
transition: all $animation-duration;
width: 100%;
}
.form-field__control {
background: #eee;
border-radius: 8px 8px 0 0;
overflow: hidden;
position: relative;
width: 100%;
&::after {
border-bottom: 2px solid $primary-color;
bottom: 0;
content: "";
display: block;
left: 0;
margin: 0 auto;
position: absolute;
right: 0;
transform: scaleX(0);
transition: all $animation-duration;
width: 1%;
}
}
.form-field__input,
.form-field__textarea {
appearance: none;
background: transparent;
border: 0;
border-bottom: 1px solid #999;
color: #333;
display: block;
font-size: 1.2rem;
margin-top: 24px;
outline: 0;
padding: 0 12px 10px 12px;
width: 100%;
}
.form-field__textarea {
height: 150px;
}
View Compiled
const setActive = (el, active) => {
const formField = el.parentNode.parentNode
if (active) {
formField.classList.add('form-field--is-active')
} else {
formField.classList.remove('form-field--is-active')
el.value === '' ?
formField.classList.remove('form-field--is-filled') :
formField.classList.add('form-field--is-filled')
}
}
[].forEach.call(
document.querySelectorAll('.form-field__input, .form-field__textarea'),
(el) => {
el.onblur = () => {
setActive(el, false)
}
el.onfocus = () => {
setActive(el, true)
}
}
)
View Compiled
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