.ciw-wrapper {
    margin: 0 auto;
    text-align: center;
    display: inline-block;
    padding: 40px;
    border-width: 20px;
    border-style: solid;
    border-color: #2F2D2D #434040 #4F4C4C #434040;
    background: linear-gradient(#E5E4DF, #CDCDC6);
    box-shadow:
        inset 0 2px 5px rgba(0,0,0,0.6),
        0 5px 2px rgba(0,0,0,0.1),
        0 10px 20px rgba(0,0,0,0.8);
    position: relative;
    overflow: hidden;
}

.ciw-wrapper.ciw-gloss::before {
    content: "";
    position: absolute;
    top: -175px;
    right: -20%;
    width: 400px;
    height: 400px;
    transform: rotateZ(-40deg);
    background: linear-gradient(rgba(255,255,255,0.4), rgba(255,255,255,0));
}

.ciw-wrapper img {
    max-width: 100%;
    height: auto;
    border-width: 2px;
    border-style: solid;
    border-color: #BBBAB4 #C7C7BF #E5E4DF #C7C7BF;
    box-shadow:
        0 -1px 1px rgba(0,0,0,0.1),
        0 1px 1px 1px rgba(255,255,255,0.7);
}

@media (max-width: 768px) {
    .ciw-wrapper {
        padding: 20px;       /* reduce inner mat */
        border-width: 10px;  /* reduce outer frame thickness */
    }

    .ciw-wrapper img {
        /* Thinner inner border on mobile */
        border-width: 1px;
    }
}