Element block pseudo-element :after generated with box-shadow 1px 1px 1px rgba(0,0,0,0.3) opacity 1 float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box line-height 1 border 0px rgba(0,0,0,1) solid outline none cursor default overflow hidden padding 28px background border-radius z-index auto margin 0px font-size 16px width 160px height auto transition display block font-weight normal position static transform