#a-voir {
        padding-top: 50px;
        padding-bottom: 30px;
    }

    section h1,
    h2 {
        font-weight: bold;
    }

    .panel {
        display: block-inline;
        -webkit-transition-duration: 0.4s;
        transition-duration: 0.4s;
        padding: 20px;
        text-align: center;
        color: maroon;
    }

    .panel:hover {
        background-color: maroon;
        text-decoration: none;
        font-weight: bold;
        color: white;
    }

    a>.panel {
        text-decoration: none;
    }

    a:hover,
    a:focus {
        text-decoration: none !important;
    }