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