html, body {
    background-color: #fff;
    color: #636b6f;
    height: 100%;
    margin: 0;
}
.header_bar{
    height: 8%;
    background: linear-gradient(to right, #FB6472 , #FB785A);
}
.container{
    background-color: #EBEBEB;
    height: 92%;
    width: 100%;
}