* {
    margin: 0;
    padding: 0;
}

#content {
    background: #fff  ; /* Para IE */
    background: rgba(255,255,255,.5)  ;
    border-radius: 10px;
    box-shadow: 2px 2px 4px rgb(200,200,200)  ;
    font-size: 2rem;
    margin: 20px;
    padding: 10px 0;
    text-align: center;
    text-shadow: 2px 2px 4px rgb(255, 255, 255)  ;
    width: 180px;
	opacity: 1;
	filter: alpha(opacity=100);
}

#content:hover {
	opacity: 0.3;
	filter: alpha(opacity=30);
}

#foo {
    display: none;
    position: absolute;
    top: 10%;               
    width: 100%;
}

#video-background {
    height: 100%;
    position: fixed;
    width: 100%;
    z-index: -100;
}