diff --git a/i18n/es.mo b/i18n/es.mo
index 4ff6cc61..5fbe569b 100644
Binary files a/i18n/es.mo and b/i18n/es.mo differ
diff --git a/i18n/es.po b/i18n/es.po
index 6457294d..cc677cfb 100644
--- a/i18n/es.po
+++ b/i18n/es.po
@@ -1585,18 +1585,30 @@ msgstr "Mejoras generales"
 #: templates/roadmap.html:113
 msgid ""
 "Aside from the above specific items, we are always aiming to\n"
-"    improve SymPy in many ways. This includes things like <ul><li>fixing "
-"bugs</li><li>better\n"
-"    documentation</li><li>improved development tooling</li><li>new features</"
-"li><li>better\n"
-"    community outreach</li></ul>"
+"    improve SymPy in many ways. This includes things like"
 msgstr ""
 "Además de los aspectos específicos anteriores, siempre\n"
-"    apuntamos a mejorar SymPy de muchas maneras. Esto incluye cosas como "
-"<ul><li>corregir bugs</li>\n"
-"    <li>mejor documentación</li><li>herramientas de desarrollo mejoradas</"
-"li><li>nuevas funcionalidades\n"
-"    </li><li>mayor acercamiento a la comunidad</li></ul>"
+"    apuntamos a mejorar SymPy de muchas maneras. Esto incluye cosas como"
+
+#: templates/roadmap.html:117
+msgid "fixing bugs"
+msgstr "corregir bugs"
+
+#: templates/roadmap.html:118
+msgid "better documentation"
+msgstr "mejor documentación"
+
+#: templates/roadmap.html:119
+msgid "improved development tooling"
+msgstr "herramientas de desarrollo mejoradas"
+
+#: templates/roadmap.html:120
+msgid "new features"
+msgstr "nuevas funcionalidades"
+
+#: templates/roadmap.html:121
+msgid "better community outreach"
+msgstr "mayor acercamiento a la comunidad"
 
 #: templates/support.html:8
 msgid "General"
diff --git a/templates/base.html b/templates/base.html
index 863c7e46..dbdab58e 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -10,7 +10,7 @@
     <link rel="stylesheet" href="{{ static_path }}/external/css/reset.css" type="text/css" media="screen" />
     <link rel="stylesheet" href="{{ static_path }}/external/css/responsive-gs-12col.css" type="text/css" media="screen" />
     <link rel="stylesheet" href="{{ static_path }}/css/base.css" type="text/css" media="screen" />
-    <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,700|Gentium+Basic" rel="stylesheet" type="text/css" />
+    <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,700%7CGentium+Basic" rel="stylesheet" type="text/css" />
     <link rel="icon" href="{{ static_path }}/SymPy-Favicon.ico" />
     <script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.2/jquery.min.js"></script>
     <script type="text/javascript" src="{{ static_path }}/javascript/main.js"></script>
@@ -36,7 +36,7 @@ <h1><a href="index.html"> <img src="{{ static_path }}/images/logo.png" alt="SymP
           <li class="{{ development_active }}"><a href="development.html">{% trans %}Development{% endtrans %}</a></li>
           <li class="{{ roadmap_active }}"><a href="roadmap.html">{% trans %}Roadmap{% endtrans %}</a></li>
           <li class="{{ donate_active }}"><a href="donate.html">{% trans %}Donate{% endtrans %}</a></li>
-          <li class="{{ shell_active }}""><a href="shell.html">{% trans %}Online Shell{% endtrans %}</a></li>
+          <li class="{{ shell_active }}"><a href="shell.html">{% trans %}Online Shell{% endtrans %}</a></li>
         </ul>
         {% endblock %}
       </nav>
@@ -81,7 +81,7 @@ <h3>{% trans %}Quick Links{% endtrans %}</h3>
             </ul>
           </div>
           <div id="social" class="sidebar_card">
-            <h3>{% trans %}Follow Us{% endtrans %}<h3>
+            <h3>{% trans %}Follow Us{% endtrans %}</h3>
                 <!-- Place this tag where you want the widget to render. -->
                 <div class="g-follow" data-annotation="bubble"
                 data-height="24"
diff --git a/templates/development.html b/templates/development.html
index 4d8c9735..a6571c61 100644
--- a/templates/development.html
+++ b/templates/development.html
@@ -10,24 +10,24 @@ <h2 class="title">{% trans %}Development{% endtrans %}</h2>
   <p class="first">
     {% trans %}We are interested in any contribution. There are many ways how you can
     contribute{% endtrans %}:
-    <ul>
-      <li>
+  </p>
+  <ul>
+    <li>
         {% trans %}If you wrote anything interesting using SymPy, please send us a patch with the
         code (see below for more information){% endtrans %}.
-      </li>
+    </li>
 
-      <li>
+    <li>
         {% trans %}If you found a bug (or just want to let us know what you think), tell us on the
         <a href="https://groups.google.com/group/sympy">mailinglist</a>{% endtrans %}. {% trans %}You can also
         add a bug report (or a comment) into the <a href="https://github.com/sympy/sympy/issues/">issues</a>.{% endtrans %}
-      </li>
-      <li>{% trans %}You can blog about how you use SymPy{% endtrans %}.</li>
-      <li>{% trans %}You can help us write documentation (just send us a patch){% endtrans %}.</li>
-      <li>{% trans %}You can help people on our <a href="https://groups.google.com/group/sympy">mailinglist</a>{% endtrans %}.</li>
-      <li>{% trans %}You can help with reviewing patches{% endtrans %}.</li>
-      <li>{% trans %}You can send us patches with bug fixes or new features{% endtrans %}.</li>
-    </ul>
-  </p>
+    </li>
+    <li>{% trans %}You can blog about how you use SymPy{% endtrans %}.</li>
+    <li>{% trans %}You can help us write documentation (just send us a patch){% endtrans %}.</li>
+    <li>{% trans %}You can help people on our <a href="https://groups.google.com/group/sympy">mailinglist</a>{% endtrans %}.</li>
+    <li>{% trans %}You can help with reviewing patches{% endtrans %}.</li>
+    <li>{% trans %}You can send us patches with bug fixes or new features{% endtrans %}.</li>
+  </ul>
   <p>
     {% trans %}The best way to contribute code or documentation is to send us a patch{% endtrans %}.
   </p>
@@ -79,7 +79,7 @@ <h2 class="title">{% trans %}Sources of the Webpages{% endtrans %}</h2>
 
 {% block sidebarextra %}
 
-<div id="about" class="sidebar_card">
+<div id="git-repository" class="sidebar_card">
     <h3>{% trans %}Git Repository{% endtrans %}</h3>
     <p>
         {% trans %}Main git repository{% endtrans %}:<br/>
diff --git a/templates/donate.html b/templates/donate.html
index 22271b29..19171f09 100644
--- a/templates/donate.html
+++ b/templates/donate.html
@@ -19,6 +19,7 @@ <h2 class="title">{% trans %}Support SymPy Development{% endtrans %}</h2>
     <p>{% trans
     %}<a href="https://numfocus.org/donate-to-sympy">DONATE
     NOW</a> {% endtrans %}</p>
+    </section>
   </div>
 </section>
 
diff --git a/templates/download.html b/templates/download.html
index e4b2e519..49fdf308 100644
--- a/templates/download.html
+++ b/templates/download.html
@@ -19,10 +19,10 @@ <h2 class="title">{% trans %}Git Version{% endtrans %}</h2>
 <div class="inner">
   <p class="first">
     {% trans %}Main git repository{% endtrans %}:
-    <pre>
-      git clone git://github.com/sympy/sympy.git
-    </pre>
   </p>
+  <pre>
+      git clone git://github.com/sympy/sympy.git
+  </pre>
   <p>
     {% trans %}Browse online{% endtrans %}:
     <a href="https://github.com/sympy/sympy">github.com/sympy/sympy</a>
diff --git a/templates/features.html b/templates/features.html
index 534944c5..ea29ae7d 100644
--- a/templates/features.html
+++ b/templates/features.html
@@ -14,7 +14,7 @@ <h3>{% trans %}Core capabilities{% endtrans %}</h3>
                 <li><strong>{% trans %}Basic arithmetic:{% endtrans %}</strong> <a href="https://www.sympygamma.com/input/?i=23+pi+%2B+20%21+%2F+%283**5%29+-+2">{% trans %}Support for operators such
                     as <code>+</code>, <code>-</code>, <code>*</code>, <code>/</code>, <code>**</code> (power){% endtrans %}</a></li>
                 <li> <strong>{% trans %}Simplification{% endtrans %}</strong>
-                    <a href="https://www.sympygamma.com/input/?i=simplify%28cos%28x%29cos%28y%29+-+sin%28x%29sin%28y%29%29">{% trans %}Trigonometry{% endtrans %}</a>, <a href="https://www.sympygamma.com/input/?i=simplify%28%282x%2B3%29%2810x-5%29%2F%282x-1%29%29">{% trans %}Polynomials</a>{% endtrans %}</li>
+                    <a href="https://www.sympygamma.com/input/?i=simplify%28cos%28x%29cos%28y%29+-+sin%28x%29sin%28y%29%29">{% trans %}Trigonometry{% endtrans %}</a>, <a href="https://www.sympygamma.com/input/?i=simplify%28%282x%2B3%29%2810x-5%29%2F%282x-1%29%29">{% trans %}Polynomials{% endtrans %}</a></li>
                 <li><strong>{% trans %}Expansion:{% endtrans
                     %}</strong>
                     <a href="https://www.sympygamma.com/input/?i=expand%28%285x+%2B+3%29*%281-x%29*%281%2B6x%29%29">{% trans %} of a polynomial {% endtrans %}</a></li>
@@ -292,15 +292,15 @@ <h3>{% trans %}Cryptography{% endtrans %}</h3>
             <p><a href="https://docs.sympy.org/latest/modules/crypto.html">{% trans %}Documentation{% endtrans %}</a></p>
             <ul>
               <li><strong>{% trans %}Shift cipher{% endtrans %}</strong></li>
-              <li><strong>{% trans %}Affine cipher{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}Bifid ciphers{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}Vigenere’s cipher{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}Substitution ciphers{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}Hill’s cipher{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}RSA{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}Kid RSA{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}Linear feedback shift registers{% endtrans %}</strong></></li>
-              <li><strong>{% trans %}ElGamal encryption{% endtrans %}</strong></></li>
+              <li><strong>{% trans %}Affine cipher{% endtrans %}</strong></li>
+              <li><strong>{% trans %}Bifid ciphers{% endtrans %}</strong></li>
+              <li><strong>{% trans %}Vigenere’s cipher{% endtrans %}</strong></li>
+              <li><strong>{% trans %}Substitution ciphers{% endtrans %}</strong></li>
+              <li><strong>{% trans %}Hill’s cipher{% endtrans %}</strong></li>
+              <li><strong>{% trans %}RSA{% endtrans %}</strong></li>
+              <li><strong>{% trans %}Kid RSA{% endtrans %}</strong></li>
+              <li><strong>{% trans %}Linear feedback shift registers{% endtrans %}</strong></li>
+              <li><strong>{% trans %}ElGamal encryption{% endtrans %}</strong></li>
             </ul>
         </div>
     </div>
diff --git a/templates/index.html b/templates/index.html
index 727a3db9..adc6f29d 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -120,7 +120,7 @@ <h2 class="title">{% trans %}Projects using SymPy{% endtrans %}</h2>
       {% trans %}QMCPACK{% endtrans %}</a></strong>:
       {% trans %} Quantum Monte Carlo in C++. Sympy is used to generate reference values for unit tests and some code generation.{% endtrans%}
     </li>
-    <li><strong><a href="https://digitalcommons.calpoly.edu/cgi/viewcontent.cgi?article=1072&context=physsp/">
+    <li><strong><a href="https://digitalcommons.calpoly.edu/cgi/viewcontent.cgi?article=1072&amp;context=physsp/">
       {% trans %}Quantum Programming in Python{% endtrans %}</a></strong>:
       {% trans %} Quantum 1D Simple Harmonic Oscillator and Quantum Mapping
       Gate. {% endtrans%}
diff --git a/templates/roadmap.html b/templates/roadmap.html
index 0ae2d7c9..c3048cce 100644
--- a/templates/roadmap.html
+++ b/templates/roadmap.html
@@ -5,13 +5,14 @@
 
 {% block content %}
 
-<h1 class="title">{% trans %}Roadmap{% endtrans %}</h2>
+<h2 class="title">{% trans %}Roadmap{% endtrans %}</h2>
 <div class="inner">
   <p class="first">
     {% trans %}Broadly speaking, any form of purely symbolic mathematical computation is
     in scope for SymPy. However, there are a few things we plan to focus our
     development efforts on.{% endtrans %}
   </p>
+</div>
 
 <h3 class="title">{% trans %}The Assumptions System{% endtrans %}</h3>
 <div class="inner">
@@ -111,10 +112,15 @@ <h3 class="title">{% trans %}General Improvements{% endtrans %}</h3>
 <div class="inner">
   <p class="first">
     {% trans %}Aside from the above specific items, we are always aiming to
-    improve SymPy in many ways. This includes things like <ul><li>fixing bugs</li><li>better
-    documentation</li><li>improved development tooling</li><li>new features</li><li>better
-    community outreach</li></ul>{% endtrans %}
+    improve SymPy in many ways. This includes things like{% endtrans %}:
   </p>
+  <ul>
+    <li>{% trans %}fixing bugs{% endtrans %}</li>
+    <li>{% trans %}better documentation{% endtrans %}</li>
+    <li>{% trans %}improved development tooling{% endtrans %}</li>
+    <li>{% trans %}new features{% endtrans %}</li>
+    <li>{% trans %}better community outreach{% endtrans %}</li>
+  </ul>
 </div>
 
 {% endblock %}
@@ -122,7 +128,7 @@ <h3 class="title">{% trans %}General Improvements{% endtrans %}</h3>
 
 {% block sidebarextra %}
 
-<div id="about" class="sidebar_card">
+<div id="git-repository" class="sidebar_card">
     <h3>{% trans %}Git Repository{% endtrans %}</h3>
     <p>
         {% trans %}Main git repository{% endtrans %}:<br/>
diff --git a/templates/shell.html b/templates/shell.html
index b844f0af..ccb8f534 100644
--- a/templates/shell.html
+++ b/templates/shell.html
@@ -17,6 +17,13 @@
 
 {% block extrahead %}
 
+<style>
+  #live-iframe {
+    width: 100%;
+    height: 500px;
+  }
+</style>
+
 <!-- MathJax 3 -->
 <script>window.MathJax = {"tex": {"inlineMath": [["\\(", "\\)"]], "displayMath": [["\\[", "\\]"]]}, "options": {"processHtmlClass": "tex2jax_process|mathjax_process|math|output_area"}}</script>
 <script defer="defer" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
@@ -67,15 +74,9 @@
 
 {% block content %}
 
-  <h1>SymPy Live</h1>
+  <h2>SymPy Live</h2>
 
-  <iframe
-      id="live-iframe"
-      src=""
-      width="100%"
-      height="500px"
-  >
-  </iframe>
+  <iframe id="live-iframe"></iframe>
 
   <div id="usage" class="sidebar_card">
       <h3>Instructions</h3>
@@ -103,13 +104,13 @@ <h3>{% trans %}About this page{% endtrans %}</h3>
   </p>
   <p>
     {% trans %}The following commands are executed by default:{% endtrans %}
-    <pre>
+  </p>
+  <pre>
 [1]: from sympy import *
      x, y, z, t = symbols('x y z t')
      k, m, n = symbols('k m n', integer=True)
      f, g, h = symbols('f g h', cls=Function)
-    </pre>
-  </p>
+  </pre>
   <p>
     {% trans %}SymPy Live shell is powered by{% endtrans %} <a href="https://jupyterlite.readthedocs.io/en/latest/">JupyterLite</a>.
     {% trans %}It can take up to 30 seconds before the shell code and libraries load completely and become available for using interactively.{% endtrans %}    
diff --git a/templates/support.html b/templates/support.html
index 96747963..4ab09a26 100644
--- a/templates/support.html
+++ b/templates/support.html
@@ -10,28 +10,24 @@ <h2 class="title">{% trans %}General{% endtrans %}</h2>
   <p class="first">
     {% trans %}Below you can find several ways to get help{% endtrans %}:
   </p>
-  <p>
-    <ul>
-      <li>{% trans %} SymPy <a href="https://docs.sympy.org">Documentation</a>{% endtrans %}</li>
-      <li>{% trans %} <a href="https://groups.google.com/forum/#!forum/sympy">Mailing list</a> on Google Groups{% endtrans %}</li>
-      <li>{% trans %} <a href="https://github.com/sympy/sympy/issues/">Issue tracker</a>.{% endtrans %}
-      </li>
-      <li>{% trans %}Gitter channel: <a href="https://gitter.im/sympy/sympy">sympy/sympy at Gitter</a>.{% endtrans %}</li>
-      <li>{% trans %}Stack Overflow: <a href="https://stackoverflow.com/questions/tagged/sympy">[sympy] tag</a>.{% endtrans %}</li>
-    </ul>
-  </p>
+  <ul>
+    <li>{% trans %} SymPy <a href="https://docs.sympy.org">Documentation</a>{% endtrans %}</li>
+    <li>{% trans %} <a href="https://groups.google.com/forum/#!forum/sympy">Mailing list</a> on Google Groups{% endtrans %}</li>
+    <li>{% trans %} <a href="https://github.com/sympy/sympy/issues/">Issue tracker</a>.{% endtrans %}
+    </li>
+    <li>{% trans %}Gitter channel: <a href="https://gitter.im/sympy/sympy">sympy/sympy at Gitter</a>.{% endtrans %}</li>
+    <li>{% trans %}Stack Overflow: <a href="https://stackoverflow.com/questions/tagged/sympy">[sympy] tag</a>.{% endtrans %}</li>
+  </ul>
 </div>
 
 <h2 class="title">{% trans %}More Specific{% endtrans %}</h2>
 <div class="inner">
-  <p class="first">
-    <ul>
-      <li>{% trans %} SymPy <a href="https://docs.sympy.org/latest/tutorial/index.html">tutorial</a> {% endtrans %}</li>
-      <li>{% trans %} Main <a href="https://github.com/sympy/sympy/wiki/Faq">FAQ</a> {% endtrans %}</li>
-      <li>{% trans %}<a href="https://docs.sympy.org/latest/gotchas.html">Gotchas and Pitfalls</a>{% endtrans %}
-      </li>
-    </ul>
-  </p>
+  <ul>
+    <li>{% trans %} SymPy <a href="https://docs.sympy.org/latest/tutorial/index.html">tutorial</a> {% endtrans %}</li>
+    <li>{% trans %} Main <a href="https://github.com/sympy/sympy/wiki/Faq">FAQ</a> {% endtrans %}</li>
+    <li>{% trans %}<a href="https://docs.sympy.org/latest/gotchas.html">Gotchas and Pitfalls</a>{% endtrans %}
+    </li>
+  </ul>
 </div>
 
 {% endblock %}