*{margin:0;padding:0;}
body{width:100%; height:100%;}
#fundo-externo{overflow:hidden; width:100%; height:100%; position:relative; z-index:-1;}
#fundo{position:fixed; width:100%; height:100%;}		
#fundo img{width:100%; height:100%; position:absolute;}
#box{max-width:420px; height:auto; font-family:"Roboto"; position:absolute; top:50%; left:50%; margin-left:-190px; margin-top:-315px;}
.form{background-color:#fff; color:#222; padding:20px;}
.form h2{font-weight:lighter; text-align:center; margin-top:-10px;}
.form h2 span{text-transform:uppercase; font-weight:bold; color:#f0ad4e;}
.form p{font-style:italic;}
.form .btn-danger{background:#dc141f;}
form .btn-danger:hover{background:#f39c12; border-color:#f39c12;}