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