@media (min-width: 481px) {
    #logo {
        height: 50px;
        width: 50px;
        background-image: url('../img/favicon.png');
        background-position: center center;
        background-repeat: no-repeat;
        float: right;
        opacity: 0.5;
        cursor: pointer;
        display: block;
        padding: 10px;
        z-index: 1;
        transition: opacity 0.3s;
    }

    #logo:active, #logo:hover {
        opacity: 0.8;
    }
}