<div class="container">
<h2>Google Material Design in CSS3<small>Inputs</small></h2>
<form>
<div class="group">
<input type="text" required>
<span class="highlight"></span>
<span class="bar"></span>
<label>Name</label>
</div>
<div class="group">
<input type="text" required>
<span class="highlight"></span>
<span class="bar"></span>
<label>Email</label>
</div>
</form>
<p class="footer">
a <a href="https://scotch.io/tutorials/css/google-material-design-input-boxes-in-css3" target="_blank">tutorial</a> by <a href="https://scotch.io" target="_blank">scotch.io</a>
</p>
</div>
* { box-sizing:border-box; }
/* basic stylings ------------------------------------------ */
body { background:url(https://scotch.io/wp-content/uploads/2014/07/61.jpg); }
.container {
font-family:'Roboto';
width:600px;
margin:30px auto 0;
display:block;
background:#FFF;
padding:10px 50px 50px;
}
h2 {
text-align:center;
margin-bottom:50px;
}
h2 small {
font-weight:normal;
color:#888;
display:block;
}
.footer { text-align:center; }
.footer a { color:#53B2C8; }
/* form starting stylings ------------------------------- */
.group {
position:relative;
margin-bottom:45px;
}
input {
font-size:18px;
padding:10px 10px 10px 5px;
display:block;
width:300px;
border:none;
border-bottom:1px solid #757575;
}
input:focus { outline:none; }
/* LABEL ======================================= */
label {
color:#999;
font-size:18px;
font-weight:normal;
position:absolute;
pointer-events:none;
left:5px;
top:10px;
transition:0.2s ease all;
-moz-transition:0.2s ease all;
-webkit-transition:0.2s ease all;
}
/* active state */
input:focus ~ label, input:valid ~ label {
top:-20px;
font-size:14px;
color:#5264AE;
}
/* BOTTOM BARS ================================= */
.bar { position:relative; display:block; width:300px; }
.bar:before, .bar:after {
content:'';
height:2px;
width:0;
bottom:1px;
position:absolute;
background:#5264AE;
transition:0.2s ease all;
-moz-transition:0.2s ease all;
-webkit-transition:0.2s ease all;
}
.bar:before {
left:50%;
}
.bar:after {
right:50%;
}
/* active state */
input:focus ~ .bar:before, input:focus ~ .bar:after {
width:50%;
}
/* HIGHLIGHTER ================================== */
.highlight {
position:absolute;
height:60%;
width:100px;
top:25%;
left:0;
pointer-events:none;
opacity:0.5;
}
/* active state */
input:focus ~ .highlight {
-webkit-animation:inputHighlighter 0.3s ease;
-moz-animation:inputHighlighter 0.3s ease;
animation:inputHighlighter 0.3s ease;
}
/* ANIMATIONS ================ */
@-webkit-keyframes inputHighlighter {
from { background:#5264AE; }
to { width:0; background:transparent; }
}
@-moz-keyframes inputHighlighter {
from { background:#5264AE; }
to { width:0; background:transparent; }
}
@keyframes inputHighlighter {
from { background:#5264AE; }
to { width:0; background:transparent; }
}