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