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