html,
body {
    background: rgb(31,177,230);
    background: -moz-linear-gradient(54deg, rgba(31,177,230,1) 0%, rgba(31,215,230,1) 100%);
    background: -webkit-linear-gradient(54deg, rgba(31,177,230,1) 0%, rgba(31,215,230,1) 100%);
    background: linear-gradient(54deg, rgba(31,177,230,1) 0%, rgba(31,215,230,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#1fb1e6",endColorstr="#1fd7e6",GradientType=1);
}