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