.contenedor_op{
    width: 70%;
    display: block;
    margin: auto;
}
.contenedor_op h3 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 300;
}
.contenedor_op h3 span{
    background: var(--azul_op);
    color: white;
    padding: 5px;
    margin: 5px;
}
[role="tablist"]{
    margin-top: 10px;
    background: #ccc;
    list-style: none;
    padding: 5px;
    display: flex;
    flex-direction: row;
}

[role="tablist"] li{
     padding: 10px;
    
}
[role="tablist"] li a{
    font-family: Arial, Helvetica, sans-serif;
    text-decoration:none;
    color: white;
}

[aria-expanded="true"]{
    background: var(--azul_op);
}
.list-group{
    list-style: none;
    padding: 20px;
}
.list-group li{
    margin-top: 5px;
}
.list-group li a{
    list-style: none;
    padding: 20px;
    font-family: Arial, Helvetica, sans-serif;
    color: black;
    
    text-decoration: none;
}
.list-group li a:hover{
    color: var(--azul_op);
}
[role="tabpanel"]{
    margin-top: 20px;
}