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