form{max-width:460px;margin:0 auto;padding:80px 0 0;}
label{font-size:14px;}
dl{clear:both;display:block;}
dt{clear:block;display:inline-block;height:30px;margin:0;padding:0;width:120px;}
dd{display:inline-block;height:30px;margin:0;padding:0;}
input{border:1px solid #ccc;font-size:14px;margin:0;padding:3px;width:320px;}
button{background-color:green;border:0;color:#fff;height:30px;font-size:14px;width:120px;}
#top{height:100%;}