.md-button {
    border-radius: 100px !important;
}

img.responsive {
    width: 100%;
    height: auto;
}

.transparent-grid {
    display: inline-block;
    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgAQMAAABJtOi3AAAABlBMVEWZmZlmZmZYfKrVAAAAE0lEQVQI12P4/5+BgZoEA3VNBADtvT/BrQ+bEwAAAABJRU5ErkJggg==);
    background-repeat: repeat;
}

.md-typeset video {
    height: auto;
    max-width: 100%;
}

@keyframes heart {

    0%, 40%, 80%, 100% {
      transform: scale(1);
    }

    20%, 60% {
      transform: scale(1.15);
    }

}

.heart {
    animation: heart 1000ms infinite;
}

#support-widget {
    position: fixed;
    bottom: 80px;
    right: 16px;
    padding: 0 12px;
    width: 300px;
    font-size: 0.8rem;
    color: var(--md-default-fg-color);
    background-color: var(--md-primary-bg-color);
    border-color: var(--md-primary-fg-color);
    border-width: 2px;
    border-style: solid;
    border-radius: 16px;
    transform: scaleY(1);
    transform-origin: bottom;
    transition: transform 0.25s ease;
    z-index: 1000;
}

#support-widget.invisible {
    transform: scaleY(0);
}

#support-button {
    position: fixed;
    right: 16px;
    bottom: 16px;
    padding: 12px;
    color: var(--md-primary-fg-color);
    background-color: var(--md-primary-bg-color);
    font-weight: bold;
    font-size: 0.8rem;
    font-family: sans-serif;
    cursor: pointer;
    border-width: 2px;
    border-style: solid;
    border-color: var(--md-primary-fg-color);
    border-radius: 32px;
    transition: color 125ms, background-color 125ms, border-color 125ms;
    z-index: 1000;
}

#support-button:hover {
    color: var(--md-accent-bg-color);
    border-color: var(--md-accent-fg-color);
    background-color: var(--md-accent-fg-color);
}