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