biblio_theorie.md
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@@ -255,7 +255,7 @@ mindmap
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</div>
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<div class="column">
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-<div id="container" style="z-index:1">
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+<div id="container" style="z-index:1;border: 1px solid white;">
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<div class="border_image" style="width: 100%; height: 100%; ">
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<img src="media/images/border_black.png" style="display: none; background-color: transparent; width: 100%; height: 100%; margin: 0;"/>
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</div>