.wrap-2{
    position:fixed;
    z-index:-30;
    top:0;
    left:0;
    overflow:hidden;
    height:100vh;
    width:100vw;
    margin:auto;
    background: -webkit-gradient(linear, left top, right bottom, from(#fff), to(#f1f1f1));
    background: linear-gradient(to bottom right, #e6e6e6, #f5f5f5);
    /*background: linear-gradient(to bottom right, #001f2e, #000);*/ /*black*/ 
    /*background: linear-gradient(to bottom right, #004769, #001f2e);*/ /*Dark blue*/ 
    
    /*background: linear-gradient(to bottom right, #00a4f3, #008acb);*/
}
canvas{
    width:100%;
    height:100%;
}