.aside-overlay-fixed {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    overflow: hidden;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.3);
}
.aside-overlay-absolute{
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    overflow: hidden;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.3);
}