body  { background-color: #ffffff; font-family: Arial; }
.becy { display: block; background: url(../img/becy.png) 50% 50% no-repeat; height: 340px; width: 660px; margin: 100px auto 0 auto; }
.welcome  { display: none; }

body.error  { background-color: #000000 !important;}
body.error .becy { background: url(../img/404.png) 50% 50% no-repeat;}

.back { color: #000; background-color: rgb(190,30,45); margin: 50px auto 0 auto; display: block; width: 60px; line-height: 36px; text-decoration: none; font-weight: bold; text-transform: uppercase; text-align: center; font-size: 12px;}
.back:hover {font-size: 16px;}