<h2>Animated Button</h2>

<button class="button" style="vertical-align:middle"><span>Hover </span></button>

<style>
.button {
display: inline-block;
border-radius: 4px;
background-color: #f4511e;
border: none;
color: #FFFFFF;
text-align: center;
font-size: 28px;
padding: 20px;
width: 200px;
transition: all 0.5s;
cursor: pointer;
margin: 5px;
}

.button span {
cursor: pointer;
display: inline-block;
position: relative;
transition: 0.5s;
}

.button span:after {
content: '»';
position: absolute;
opacity: 0;
top: 0;
right: -20px;
transition: 0.5s;
}

.button:hover span {
padding-right: 25px;
}

.button:hover span:after {
opacity: 1;
right: 0;
}
</style>