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