Element block pseudo-class :active generated with box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static border-radius height auto margin 0px font-size 13px padding 10px overflow hidden cursor default transform font-weight normal float none background transition display block box-shadow 0px -1px 0px rgba(255,255,255,0.1) width 100% line-height 1 z-index auto border 0px rgba(255,255,255,0.75) solid