Element block pseudo-class :active generated with height auto width 160px border-radius padding 20px border 0px rgba(0,0,0,1) solid background transform font-weight normal font-size 16px line-height 1 float left transition overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px position relative cursor pointer display block z-index auto box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2)