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