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