ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 12%;
    background-color: #f1f1f1;
    position: fixed;
    height: 100%;
    overflow: auto;
}

li a {
    display: block;
    color: #000;
    padding: 2px 6px;
    text-decoration: none;
}

li a.active {
    background-color: #ED3237;
    color: white;
}

li a.esportiva {
    background-color: #87C1FF;
    color: white;
}
li a.vales {
    background-color: #0FBD08;
    color: white;
}

li a:hover:not(.active) {
    background-color: #555;
    color: white;
}