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