Changed "cancel" button color on "create tag" page to improve accessibility.

.github/workflows/build.yml

@@ -16,3 +16,10 @@ jobs:
       run: make docker-build
     - name: Run tests
       run: make docker-runtest-all
+    - name: Mypy Check
+    # You may pin to the exact commit or the version.
+    # uses: jpetrucciani/mypy-check@e4de43b8ca2e83e7cc9caac4ecddcd2b8f947b7e
+      uses: jpetrucciani/[email protected]
+      with:
+        # File or directory to run mypy on
+        path: '.'

.github/workflows/mypy.yml

@@ -0,0 +1,18 @@
+name: Mypy
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Mypy
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.8
+    - name: Install Dependencies
+      run: |
+        pip install mypy
+    - uses: jpetrucciani/mypy-check@master

mayan/apps/appearance/templates/appearance/generic_form_subtemplate.html

@@ -89,7 +89,7 @@ <h4>
                     {% endif %}
 
                     {% for button in extra_buttons %}
-                        <button class="btn btn-default" name="{% if form.prefix %}{{ form.prefix }}-{{ button.name }}{% else %}{{ button.name }}{% endif %}" type="submit">
+                        <button class="btn btn-default" style="color:#000000" name="{% if form.prefix %}{{ form.prefix }}-{{ button.name }}{% else %}{{ button.name }}{% endif %}" type="submit">
                             {% if button.icon %}
                                 {{ button.icon.render }}
                             {% endif %}