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