.dialog-container,
.dialog-overlay {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.dialog-container {
    z-index: 1050;
    overflow-x: hidden;
    overflow-y: auto;
}

/**
 * 1. Make sure the dialog container and all its descendants are not
 *    visible and not focusable when it is hidden.
 */
.dialog-container[aria-hidden='true'] {
    display: none; /* 1 */
}

.dialog-overlay {
    z-index: 1040;
    background-color: #000;
    opacity: 0.7;
    animation: fade-in .3s both;
}

.dialog-content {
    z-index: 2;
    position: relative;

    background-color: #303030;
    color: #fff;
    background-clip: padding-box;
    border: 1px solid #999;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
    box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
    width: auto;
    margin: 10px;
    animation: fade-in .3s .2s both, slide-down .3s .2s both;
}

@media (min-width: 768px) {
    .dialog-content {
        width: 600px;
        margin: 30px auto;
        -webkit-box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    }
}

/* https://a11y-dialog.netlify.app/advanced/animations */
@keyframes fade-in {
    from {
        opacity: 0;
    }
}

@keyframes slide-down {
    from {
        transform: translateY(-25%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .dialog-overlay,
    .dialog-content {
        animation: none;
    }
}