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