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