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