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