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