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