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