Update chem.html

Signed-off-by: Jay <62393443+jeremylaratro@users.noreply.github.com>

chem.html

@@ -508,7 +508,7 @@ <h5>- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h5>
         For added safety, the ampoules were stored within a larger teflon vessel.
     </p>
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-    <img src="category_photos/20211114_172541.jpg" alt="bromine, ampouled, jeremy laratro" style="width: 100%;">
+    <img src="category_photos/20211114_172541.jpg" alt="bromine, ampouled, jeremy laratro" style="width: 25%;">
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@@ -525,10 +525,8 @@ <h2>The Element Collection: Extracting Iodine from Potassium Iodide</h2>
         <span class="p b" style="font-weight: bold;">Extraction of elemental Idione</span>
     </p>
     <p style="text-align: center">Iodine subliming in test tube, producing characteristic purple gas</p>
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-        <img src="category_photos/20211120_163749.jpg" alt="bromine, ampouled, jeremy laratro"
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+    <div class="card paragraph" style="width: 50%; margin: 0 auto; text-align: center;">
+        <img src="category_photos/20211120_163749.jpg" alt="bromine, ampouled, jeremy laratro" style="width:25%">
     </div>
     <p style="text-align: center">Iodine crystal deposition after sublimation</p>
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@@ -551,8 +549,8 @@ <h2>Organic Chemistry</h2>
 
 
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-    <img src="category_photos/ir_camphor.jpg-mh.png" alt="ir spectra, jeremy laratro" style="width:100%">
+<div class="card paragraph" style="width: 50%; margin: 0 auto; text-align: center;">
+    <img src="category_photos/ir_camphor.jpg-mh.png" alt="ir spectra, jeremy laratro" style="width:60%">
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@@ -581,8 +579,10 @@ <h2>Organic Chemistry</h2>
         Reaction overview</p>
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+      <div class="card paragraph" style="width: 50%; margin: 0 auto; text-align: center;">
     <img src="category_photos/fluoro.jpg" alt="fluorescence, jeremy laratro"
          style="/*! justify-content: center; *//*! justify-self: auto; */" width="50%" height="50%">
+      </div>
     <p>Fluorescence assay:<br> A qualitative assessment of Pechmann Condensation product under acidic and basic
         conditions. <br> Target molecule: 4-methylumbelliferone. </p>
     <img src="/img/pech.JPG" alt="fluorescence, jeremy laratro"