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