html,
body {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}

#material-background {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #3F51B5;
    overflow: hidden;
    box-sizing: border-box;
}

#material-background .material-rectangle-left {
    position: absolute;
    height: calc(380% + 920px);
    margin-top: -420px;
    width: 30%;
    background-color: #303F9F;
    -ms-transform: rotate(7deg);
    /* IE 9 */
    -webkit-transform: rotate(7deg);
    /* Chrome, Safari, Opera */
    transform: rotate(7deg);
    left: -10%;
    top: -100%;
    z-index: 100;
}

#material-background .material-circle-small {
    margin-top: -30px;
    margin-left: -30px;
    border-radius: 50%;
    width: 200px;
    height: 200px;
    background-color: #F44336;
    position: absolute;
    z-index: 200;
}

#material-background .material-circle-large {
    margin-top: -30px;
    margin-left: -30px;
    border-radius: 50%;
    width: 400px;
    height: 400px;
    background-color: #F44336;
    position: absolute;
    z-index: 200;
}

#material-background .material-parallelogram {
    width:50%; 
    height:100%;
    background: #8591d3;
    transform: skew(20deg); 
    -webkit-transform: skew(20deg);
    position: absolute;
    z-index: 10;
}

#material-background .material-shadow-low {
    box-shadow: 0 19px 38px rgba(0, 0, 0, 0.30), 0 2px 2px rgba(0, 0, 0, 0.21);
}


#material-background .material-shadow-strong {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
}

#material-background .material-shadow-strongest {
    box-shadow: 0 19px 38px rgba(0, 0, 0, 0.30), 0 15px 12px rgba(0, 0, 0, 0.22);
}