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