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