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    box-shadow: 0 3px 9px #777, 0 3px 15px #CCC inset;

     


    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1);

     


    box-shadow: -1px -1px 1px #333, 1px -1px 1px #333, -1px 1px 1px #333, 1px 1px 1px #333;

     


    box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);