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