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