.tp-external-gallery-main.tp-size-preview-active {
    position: relative;
    box-sizing: border-box;
    padding: 32px 12px 48px 42px;
    border: 1px solid #b7b7b7;
    background: #fff;
}

.tp-external-gallery-main.tp-size-preview-active img {
    display: block;
    width: 100%;
}

.tp-external-gallery-main.tp-size-preview-loading img {
    opacity: .55;
}

.tp-size-preview-overlay {
    display: none;
}

.tp-size-preview-active .tp-size-preview-overlay {
    display: block;
    pointer-events: none;
}

.tp-size-preview-width,
.tp-size-preview-height {
    position: absolute;
    color: #222;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
}

.tp-size-preview-width {
    top: 10px;
    left: 42px;
    right: 12px;
    text-align: center;
    border-top: 1px solid #555;
    padding-top: 5px;
}

.tp-size-preview-width::before,
.tp-size-preview-width::after {
    content: '';
    position: absolute;
    top: -5px;
    height: 9px;
    border-left: 1px solid #555;
}

.tp-size-preview-width::before { left: 0; }
.tp-size-preview-width::after { right: 0; }

.tp-size-preview-height {
    top: 32px;
    bottom: 48px;
    left: 10px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    text-align: center;
    border-right: 1px solid #555;
    padding-right: 5px;
}

.tp-size-preview-height::before,
.tp-size-preview-height::after {
    content: '';
    position: absolute;
    right: -5px;
    width: 9px;
    border-top: 1px solid #555;
}

.tp-size-preview-height::before { top: 0; }
.tp-size-preview-height::after { bottom: 0; }

.tp-size-preview-note {
    position: absolute;
    left: 42px;
    right: 12px;
    bottom: 13px;
    text-align: center;
    color: #555;
    font-size: 12px;
    line-height: 1.2;
}

@media (max-width: 600px) {
    .tp-external-gallery-main.tp-size-preview-active {
        padding: 28px 8px 44px 36px;
    }
    .tp-size-preview-width { left: 36px; right: 8px; }
    .tp-size-preview-height { top: 28px; bottom: 44px; left: 8px; }
    .tp-size-preview-note { left: 36px; right: 8px; bottom: 12px; }
}