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