.bb-comment { .fold-comment { position: -webkit-sticky; position: sticky; bottom: 0; height: 40px; width: calc(100% + 48px); font-size: 14px; transform: translateX(-24px); display: flex; align-items: center; justify-content: center; background-color: white; color: #99a2aa; cursor: pointer; transition: all 0.2s ease-out; z-index: 110; border-radius: 4px; &:hover { color: black; } body.dark & { background-color: #444; color: #eee; &:hover { color: var(--theme-color); } } } }