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