ul.side-nav {
    margin: 0px;
    width: 100%;
    background-color: var(--color-background);
    color: var(--color-text);
    padding: 0px;
    float: left;
}

ul.side-nav > li {
    list-style: none;
    float: left;
}

.nav-button {
    width: 100%;
}

.nav-link {
    display: inline-block;
    background: none;
    border: 0;
    border-radius: 0px;
    background-color: var(--color-background);
    color: var(--color-text);
    width: 100%;
    padding: 15px 0 15px 30px;
    border: 0px;
    border-style: solid;
    border-color: #e5e5e5;
    cursor: pointer;
    text-align: left;
    border-radius: 2px;
}
.nav-link {
    color: var(--color-text);
    text-decoration: none;
}
.nav-link:hover {
    background-color: var(--color-background-hover);
}

.nav-dropdown{
    width: 100%;
}
.nav-dropdown > input[type=checkbox] {
    display: none;
}
.nav-dropdown > label {
    text-align: center;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    display: inline-block;
    background: none;
    border: 0;
    border-radius: 0px;
    background-color: var(--color-background);
    width: 100%;
    padding: 15px 0 15px 30px;
    border: 0px;
    cursor: pointer;
    text-align: left;
    color: var(--color-text);
}
.nav-dropdown > label:hover {
    background-color: var(--grey);
}
.nav-dropdown > ul {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
    border: 0px;
    background-color: var(--light-grey);
    max-height: 0px;
    width: 100%;
    transition: max-height 0.2s ease-in-out;
    overflow: hidden;
}
.nav-dropdown > ul > li > a {
    display: inline-block;
    padding: 15px 0 15px 30px;
    text-decoration: none;
    color: var(--color-text);
    width: 100%;
}
.nav-dropdown > ul > li > a:hover {
    background-color: var(--grey);
}
.nav-dropdown > input[type=checkbox]:checked ~ label {
    background-color: var(--color-accent);
    color: var(--color-background);
}
.nav-dropdown > input[type=checkbox]:checked ~ ul {
    max-height: 200px;
}