.sidenav {
    position: sticky;
    background: #f8f8f8;
    border-radius: 1.6rem;
    padding: 2rem;
    top: 13.5rem;
    margin-bottom: 5rem;
}
.sidenav__title {
    margin-bottom: 0.5rem;
}
.sidenav__text {
    margin-bottom: 1.5rem;
}
.sidenav__items {
    margin-bottom: -5rem;
}
.sidenav__item {
    position: relative;
    border-radius: 1.2rem;
    box-shadow: 0 0.8rem 1.6rem 0 rgba(28, 50, 84, 0.07);
    background: #fff;
    padding: 1.3rem 2rem;
    display: block;
    overflow: hidden;
    margin-bottom: 1rem;
}
.sidenav__item::after {
    content: "";
    position: absolute;
    background-image: url("../../images/icons/arrow-right-green.svg");
    background-repeat: no-repeat;
    background-position: 90%;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    transition: all 350ms;
}
.sidenav__item::before {
    content: "";
    position: absolute;
    left: 0;
    width: 4px;
    top: 0;
    height: 100%;
    background: #9ade19;
    opacity: 0;
    transition: 350ms opacity ease-in-out;
}
.sidenav__item:hover::before, .sidenav__item:focus::before, .sidenav__item:active::before {
    opacity: 1;
}
.sidenav__item__active::before {
    opacity: 1;
}