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