Element block pseudo-element :after generated with transition box-sizing content-box font-size 16px font-weight normal background float none opacity 1 z-index auto margin 2px width auto display block cursor default outline none overflow visible line-height normal transform padding 8px border 12px rgba(160,24,24,1) solid text-shadow position static height auto border-radius box-shadow 2px 2px 2px rgba(0,0,0,0.3)