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