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