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