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