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