Element block pseudo-class :active generated with background width 100px padding 1px position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto transform transition box-sizing content-box height 400px border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 cursor default float left font-size 16px border-radius font-weight normal display block margin 1px overflow hidden