#practical_sidebar {
    overflow: hidden;
}

#practical_sidebar img {
    max-width: 100px;
}

#practical_sidebar label input:checked + img {
    -webkit-box-shadow: 0 0 0 2px #0b6baa;
    box-shadow: 0 0 0 2px #0b6baa;
}

#practical_sidebar p {
    display: block;
    float: left;
    max-width: 100px;
    margin-right: 15px;
}

#practical_sidebar p input {
    position: absolute;
    opacity: 0;
}

#practical_sidebar p:first-of-type input {
    position: relative;
    opacity: 1;
}