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