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