html,body{margin:0;padding:0;background-attachment:fixed;background-position:50% 50%;background-size:cover}a{text-decoration:underline}a:hover{text-decoration:none}.bg-red{background-image:url(../img/bg-red.jpg)}.bg-orange{background-image:url(../img/bg-orange.jpg)}.bg-yellow{background-image:url(../img/bg-yellow.jpg)}.bg-green{background-image:url(../img/bg-green.jpg)}.bg-cyan{background-image:url(../img/bg-cyan.jpg)}.bg-blue{background-image:url(../img/bg-blue.jpg)}.bg-purple{background-image:url(../img/bg-purple.jpg)}.bg-pink{background-image:url(../img/bg-pink.jpg)}.bg-black{background-image:url(../img/bg-black.jpg)}.body{max-width:600px;margin:0 auto;padding:40px;box-sizing:content-box;-moz-box-sizing:content-box}.body-s{max-width:400px}.modal{padding:25px 30px;background:rgba(255,255,255,.9);font:13px/1.55 'Open Sans',Helvetica,Arial,sans-serif;color:#666}.modal a{color:#2da5da}@media screen and (max-width:600px){.body{padding:20px}}