.side-menu {
    max-width: 344px;
}

.side-menu__item {
    display: block;
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: #0d46a1;
    text-transform: uppercase;
    text-decoration: none;
    padding: 10px 0;
    -webkit-transition: all 0.25s ease-in-out;
    transition: all 0.25s ease-in-out;
}

@media screen and (max-width: 480px) {
    .side-menu__item {
        font-size: 12px;
    }
}

.side-menu__item:after {
    content: "";
    display: inline-block;
    margin-left: 10px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-left: 6px solid #0d46a1;
    border-bottom: 5px solid transparent;
}

.side-menu__item + .side-menu__item {
    border-top: 1px solid #dcdcdc;
}

.side-menu__item_sub + .side-menu__item_sub,
.side-menu__item + .side-menu__item_sub {
    border-top: 0;
}

.side-menu__item:hover:after {
    -webkit-animation: l 1s ease-in forwards infinite;
    animation: l 1s ease-in forwards infinite;
}

.side-menu__item_active:after {
    display: none;
}

.side-menu__item_active {
    color: #000;
}

.side-menu__item_active:after {
    display: none;
}

.side-menu__item_sub {
    padding: 8px 0 8px 40px;
}