#random-wall {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-size: cover;
z-index: -1;
}
#content {
position: absolute;
top: 50%;
left: 50%;
margin-top: -100px;
margin-left: -192px;
width: 200px;
height: 200px;
}
#logo {
display: block;
margin: auto;
position: relative;
text-align: center;
height: 110px;
background-repeat: no-repeat;
}
h1 {
color: #3f3f3f;
margin: 0 0 30px 0;
padding: 0;
font-weight: bold;
font-size: 35px;
line-height: 24px;
letter-spacing: -1px;
font-size: 2em;
font-weight: bold;
}
div.overlay {
opacity: .8;
background-color: rgba(0,0,0,0.3);
position: absolute;
height: 100%;
width: 100%;
}