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