CSS
html, body {
background-color: #ecf0f1;
}
button {
position: absolute;
top: 50%;
left: 50%;
margin-top: -3px;
margin-left: -30px;
width: 140px;
height: 40px;
font-family: 'Oswald', sans-serif;
font-size: 14px;
letter-spacing: 3px;
text-transform: uppercase;
background-color: #333;
border-color: #333;
color: #fff;
border-bottom: 4px solid #000;
}
