.content-expand-animation-start {
    opacity: 0;
}

.content-expand-animation-end {
    opacity: 1;
    transition: opacity 0.2s ease-in-out;
}

.content-collapse-animation-start {
    opacity: 1;
}

.content-collapse-animation-end {
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.collapse-expand-animation-extra-content-blocker {
    z-index: 10000;
    position: relative;
}

.mark-element-for-translation {
    position: relative;
    z-index: 1;
}