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