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