body{
    background-color: rgba(0, 0, 0, 0.897);
}
.index-nav {
    position: relative;
    max-width: 200px;
    top: 11%;
}
.nav-index{
    position: fixed;
    border-right: 2px solid gray;
    height: 100%;
}

.nav-index a{
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    width: 168px;
    padding: 15px;
}

.nav-index a:hover{
    background-color: rgb(149, 143, 143);
    color: black;
}