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