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