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