/* panels need custom sizing and spacing */
div.panel {
    border-radius: 1em;
    padding: 1em;
}

/* linked panels should not underline their text */
a.panel {
    color: #000;
    display: inline-block;
    margin-bottom: 1em;
    margin-right: 1em;
    text-decoration: none;
    width: 20%;
}

/* images should fill the panel */
img.panel {
    width: 100%;
}