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