Element block pseudo-element :after generated with display block font-weight normal opacity 1 z-index auto cursor default background height auto border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px line-height 1 padding 20px outline none overflow hidden width 160px border-radius position static margin 0px transition transform float none box-sizing content-box