.stlwv2-model {
    position: relative;
    min-height: 20em;
    border: 1px solid #ccc;
}

.stlwv2-inner {
    position: absolute;
    overflow: hidden;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.stlwv2-inner>.stlwv2-percent {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 5em;
    text-align: center;
    width: 100%;
    color: #ccc;
    animation-name: stlwv2-pulse;
    animation-duration: 2s;
    animation-iteration-count: infinite;
}

@keyframes stlwv2-pulse {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.625;
    }
}

.stlwv2-inner>canvas {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s;
}

.stlwv2-inner.stlwv2-loaded>canvas {
    opacity: 1;
}

/*
 * HUD styles
 */
.stlwv2-fullscreen-checkbox {
    /* This checkbox is just for storing state and should never be displayed */
    display: none !important;
}

.stlwv2-hud {
    /* Hide HUD elements until viewer is finished loading */
    display: none;
}

.stlwv2-loaded>.stlwv2-hud {
    position: absolute;
    padding: 0.25em;
    z-index: 1000;
    cursor: pointer;
    font-weight: 400;
}

.stlwv2-loaded>.stlwv2-github-link {
    font-size: 1.2em;
    top: 0.57em;
    right: 3em;
    text-decoration: none;
    color: #999;
    display: none;
}

.stlwv2-loaded>.stlwv2-fullscreen-on {
    font-size: 1.5em;
    top: 0;
    right: 0.2em;
    transform: rotate(90deg);
    /* unicode icon rotate hack */
    color: #ccc;
    display: block;
}

.stlwv2-loaded>.stlwv2-fullscreen-off {
    font-size: 2em;
    top: 0;
    right: 0.5em;
    color: #c33;
    display: none;
}

.stlwv2-fullscreen-checkbox:checked~.stlwv2-loaded>.stlwv2-github-link {
    display: block;
}

.stlwv2-fullscreen-checkbox:checked~.stlwv2-loaded>.stlwv2-fullscreen-on {
    display: none;
}

.stlwv2-fullscreen-checkbox:checked~.stlwv2-loaded>.stlwv2-fullscreen-off {
    display: block;
}