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