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