/* .figure-box: gray boxed figure style used by figures
 * (Continuum Mechanics, Rigid Body Motion, Simple Shear).
 */
.figure-box {
    background-color: #ccc;
    border: 1px solid darkgray;
    padding: 15px;
    margin: 15px auto;
    max-width: 90%;
    text-align: center;
}

.figure-box img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}

.figure-box figcaption {
    font-style: normal;
    font-weight: bolder;
    font-size: 0.8em;
    color: black;
    margin-top: 5px;
}