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