nav ul li a {
display: inline-block;
width: 200px;
padding: 10px 0;
background: #fff;
color: #444;
font-family: sans-serif;
font-size: 1.25em;
border-radius: 20px;
-moz-box-shadow: 0 4px 4px rgba(0,0,0,.4);
box-shadow: 0 4px 4px rgba(0,0,0,.4);
opacity: .75;
}
nav ul li a:hover {
opacity: 1;
color: #444;
}
article {
background: rgba(255,255,255,.8);
}
#com, #com:hover {
background: rgba(0,0,0,.8);
}