Element block pseudo-element :after generated with transform transition margin 0px font-weight normal box-sizing content-box opacity 1 position static width auto line-height 1 border-radius height auto border 1px rgba(0,0,0,.2) solid outline none display block cursor default font-size 16px float none background padding 20px overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto box-shadow