.main-menu {
    background: var(--color-1);
    color: #fff;
    border-bottom: 1px solid #ccc;
    position: fixed;
    width: 100%;
}

.main-menu ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    background: var(--color-1);
}

.main-menu > ul > li {
    list-style: none;
}

.main-menu .menu-link {
    font-size: 2rem;
    color: #fff;
    text-decoration: none;
    position: relative;
    padding: 1rem;
}

.main-menu .menu-link::before,
.main-menu .menu-link::after {
  content: '';
  height: 14px;
  width: 14px;
  position: absolute;
  transition: all .35s ease;
  opacity: 0;
}


.main-menu .menu-link:before {
    content: '';
    right: 0;
    top: 0;
    border-top: 3px solid #fff;
    border-right: 3px solid #fff;
    transform: translate(-100%, 50%);
}
  
.main-menu .menu-link:after {
    content: '';
    left: 0;
    bottom: 0;
    border-bottom: 3px solid #fff;
    border-left: 3px solid #fff;
    transform: translate(100%, -50%)
}

.main-menu .menu-link:hover:before,
.main-menu .menu-link:hover:after{
    transform: translate(0,0);
    opacity: 1;
}

.side-menu {
    background: #fff;
    border-right: 2px solid var(--color-1);
    display: none;
}

.side-menu .nav-container {
    position: sticky;
    top: 8rem;
    width: 250px;
}

.side-menu li {
    list-style: none;
    margin-bottom: 1rem;
}

.side-menu .sub-menu li {
    margin-bottom: 0.4rem;
}

.side-menu .menu-link {
    text-decoration: none;
    font-size: 2.4rem;
    color: #000;
    padding-left: 1rem;
}

.side-menu .menu-link:hover {
    border-left: 5px solid var(--color-1);
    font-weight: bold;
}

.side-menu .sub-menu .menu-link {
    font-size: 1.8rem;
    padding-left: 2.5rem;
}

@media only screen and (min-width: 992px) {
    .side-menu {
        display: block;
    }
}