.b-top{background-color:transparent;background-color:hsla(0,0%,39%,.75);border-radius:0 2px 2px 0;bottom:20px;box-shadow:0 1px 2px #000;color:#fff;left:-120px;max-width:600px;padding:20px 20px 15px;position:fixed;-webkit-transition:all .2s ease-in-out;-moz-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out;z-index:100}.b-top.show{bottom:20px;left:0}a#back-to-top{color:#fff!important;font-weight:700}#back-to-top{cursor:pointer;display:inline-block;text-transform:uppercase}