Element block pseudo-element :before generated with box-shadow 2px 2px 2px rgba(0,0,0,0.5) border-radius transition overflow visible transform cursor default float none display block box-sizing content-box text-shadow padding 0px height auto font-weight normal line-height 1 margin 0px z-index auto position static border 0px rgba(0,0,0,1) solid font-size 16px background width auto