:first

    @page :first {
      margin: 2in    /* Top margin on first page 10cm */
    }
    @page :left {
      margin-left: 4cm;
      margin-right: 3cm;
    }

    @page :right {
      margin-left: 3cm;
      margin-right: 4cm;
    }

This should do nothing, we don't support :first or :right or :left
Line 1
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
Line 11
Line 12
Line 13
Line 14
Line 15
Line 16
Line 17
Line 18
Line 19
Line 20
Line 21
Line 22
Line 23
Line 24
Line 25
Line 26
Line 27
Line 28