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