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