body{height:100%;background:url("../img/summer/bg-default.jpg") no-repeat center center fixed !important}body.csgo{height:100%;background:url("../img/summer/bg-default-csgo.jpg") no-repeat center center fixed !important}body.dota{height:100%;background:url("../img/summer/bg-default-dota.jpg") no-repeat center center fixed !important}