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