body{ 
    background-color:#000;
    font-family: 'Source Sans Pro', sans-serif;
    font-weight: 100;
    color: #777;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .01em;

}

ul
{
    list-style-type: none;
}
ul li {
    display: inline;
}

.logo{

    width:800px; 
    height: 200px; line-height: 200px;
    position: absolute;
    top: 50%; margin-top:-100px;
    left: 50%; margin-left:-400px;
    color: #ccc; text-align:center; vertical-align:middle
}

#footer
{
    color: #ccc;
    color: rgba(255,255,255,0.1);
    bottom:0;
    width:100%;
    height:80px;
    position:absolute;
    left: 0;
    text-align: center;
}
img{
    border-radius:10%;    
    -webkit-transition: -webkit-transform .8s ease-in-out;
    -ms-transition: -ms-transform .8s ease-in-out;
    transition: transform .8s ease-in-out;
    
    
}
img:hover{
    transform:rotate(360deg);
    -ms-transform:rotate(360deg);
    -webkit-transform:rotate(360deg);
}

#container {
    width: 50px;
}
#centered-element {
    width: 40px;
    margin: auto 0;
    display: block; /* to make sure it isn't being mucked up by your other css */
    float: none; /* to make sure it isn't being mucked up by your other css */
}