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