<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="periodic-table">
<div class="container">
<div class="periodic-icons">
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">H</h1>
<p class="name">Hydrogen</p>
<span class="atomic-number">1</span>
<span class="atomic-mass">1.0008</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Li</h1>
<p class="name">Lithium</p>
<span class="atomic-number">3</span>
<span class="atomic-mass">6.941</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Na</h1>
<p class="name">Sodium</p>
<span class="atomic-number">11</span>
<span class="atomic-mass">22.990</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">K</h1>
<p class="name">Potassium</p>
<span class="atomic-number">19</span>
<span class="atomic-mass">39.098</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Rb</h1>
<p class="name">Rubidium</p>
<span class="atomic-number">37</span>
<span class="atomic-mass">84.468</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Be</h1>
<p class="name">Beryllium</p>
<span class="atomic-number">4</span>
<span class="atomic-mass">9.012</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Mg</h1>
<p class="name">Magnesium</p>
<span class="atomic-number">12</span>
<span class="atomic-mass">24.305</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Ca</h1>
<p class="name">Calcium</p>
<span class="atomic-number">20</span>
<span class="atomic-mass">40.078</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">C</h1>
<p class="name">Carbon</p>
<span class="atomic-number">6</span>
<span class="atomic-mass">12.011</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">O</h1>
<p class="name">Oxygen</p>
<span class="atomic-number">8</span>
<span class="atomic-mass">15.999</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">S</h1>
<p class="name">Sulfur</p>
<span class="atomic-number">16</span>
<span class="atomic-mass">32.066</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Se</h1>
<p class="name">Selenium</p>
<span class="atomic-number">34</span>
<span class="atomic-mass">78.971</span>
</div>
</div>
</div>
</div>
</div>
@import url('https://fonts.googleapis.com/css?family=Lato:100,300,400,700,900');
body {
font-family: 'Lato', sans-serif;
background: #1fa2ff;
background: -webkit-linear-gradient(to right, #1fa2ff, #12d8fa, #a6ffcb);
background: linear-gradient(to right, #1fa2ff, #12d8fa, #a6ffcb);
padding: 120px 0px;
}
h1 {
font-size: 32px;
color: #00c7fd;
font-family: 'Lato', sans-serif;
}
.periodic-icons > div {
margin: 20px 0px;
}
.periodic-element {
background: #FFF;
border-radius: 8px;
box-shadow: 3px 3px 2px rgba(0, 0, 0, 0.2);
padding: 25px 0px;
}
.periodic-element:hover {
background: #1fa2ff;
background: -webkit-linear-gradient(to right, #1fa2ff, #12d8fa, #a6ffcb);
background: linear-gradient(to right, #1fa2ff, #12d8fa, #a6ffcb);
color: #FFF;
}
.periodic-element:hover h1,
.periodic-element:hover span {
color: #FFF;
font-weight: 600;
}
.atomic-number {
position: absolute;
top: 10px;
left: 30px;
font-size: 14px;
color: #00e1f1;
}