.overlay{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height:100vh;
    background: rgba(0,0,0,0.50);
}
.overlay  div{
    text-align: right;
}
.backgroundArrow{
    margin-right: 20px;
    height: 54px;
}
.backgroundOpen{
    margin-right: 60px;
    height: 25px;
}