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