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