.side-nav {
    z-index: 1;
    position: fixed;
    top: 90px;
    right: 0;
    height: 100%;
    background-color: var(--sidebar-bg-color);
    opacity: 0.0;
    padding-top: 10px;
    padding-bottom: 10px;
    overflow-x: hidden;
    overflow-y: auto;
    text-align: left;
}
.side-nav a {
    margin-left: 10px;
}

.side-ind-sub {
    position: relative;
    top:0;
    right:1em;
    font-size: 18px;
    color: var(--sidebar-link-color);
    padding-left: 5px;
    padding-top: 5px;
    display: float;
    float: right;
}
.side-nav-sub {
    padding-left: 15px;
    opacity: 0.0;
    visibility: hidden;
    height: 0;
}

.side-nav a {
    cursor: pointer;
    padding: 5px 5px 5px 5px;
    text-decoration: none;
    font-size: 18px;
    color: var(--sidebar-link-color);
    display: block;
    transition: 0.3s;
}

.side-nav a:hover {
    color: var(--sidebar-hover-color);
}

.side-nav .btn-close {
    position: absolute;
    top: 0;
    right: 10px;
    font-size: 36px;
    margin-left: 50px;
}

.slide-width {
    width: 0;
    transition: 0.5s ease-in-out;
}

.slide-margin {
    margin-right: 0;
    transition: margin-right 0.5s ease-in-out;
}