Element block pseudo-class :active generated with padding 6px height auto box-sizing content-box margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) background transition overflow hidden position static border 0px rgba(0,0,0,1) solid font-size 16px transform float none width 15px display block z-index auto font-weight normal line-height 1 border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default