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