Fix nested headers in getting started

docs/contributing_to_qiskit.rst

@@ -805,85 +805,83 @@ using. Since Aer is a compiled C++ program with a Python interface, there are
 non-Python dependencies for building the Aer binary which can't be installed
 universally depending on operating system.
 
-.. tabs::
+.. tabbed:: Linux
 
-   .. tab:: Linux
+   3. Install compiler requirements.
 
-      3. Install compiler requirements.
+      Building Aer requires a C++ compiler and development headers.
 
-         Building Aer requires a C++ compiler and development headers.
+      If you're using Fedora or an equivalent Linux distribution,
+      install using:
 
-         If you're using Fedora or an equivalent Linux distribution,
-         install using:
+      .. code:: sh
 
-         .. code:: sh
+         dnf install @development-tools
 
-            dnf install @development-tools
+      For Ubuntu/Debian install it using:
 
-         For Ubuntu/Debian install it using:
+      .. code:: sh
 
-         .. code:: sh
+         apt-get install build-essential
 
-            apt-get install build-essential
+   4. Install OpenBLAS development headers.
 
-      4. Install OpenBLAS development headers.
+      If you're using Fedora or an equivalent Linux distribution,
+      install using:
 
-         If you're using Fedora or an equivalent Linux distribution,
-         install using:
+      .. code:: sh
 
-         .. code:: sh
+         dnf install openblas-devel
 
-            dnf install openblas-devel
+      For Ubuntu/Debian install it using:
 
-         For Ubuntu/Debian install it using:
+      .. code:: sh
 
-         .. code:: sh
+         apt-get install libopenblas-dev
 
-            apt-get install libopenblas-dev
 
+.. tabbed:: macOS
 
-   .. tab:: macOS
+   3. Install dependencies.
 
-      3. Install dependencies.
+      To use the `Clang <https://clang.llvm.org/>`__ compiler on macOS, you need to install
+      an extra library for supporting `OpenMP <https://www.openmp.org/>`__.  You can use `brew <https://brew.sh/>`__
+      to install this and other dependencies.
 
-         To use the `Clang <https://clang.llvm.org/>`__ compiler on macOS, you need to install
-         an extra library for supporting `OpenMP <https://www.openmp.org/>`__.  You can use `brew <https://brew.sh/>`__
-         to install this and other dependencies.
+      .. code:: sh
 
-         .. code:: sh
+         brew install libomp
 
-            brew install libomp
+   4. Then install a BLAS implementation; `OpenBLAS <https://www.openblas.net/>`__
+      is the default choice.
 
-      4. Then install a BLAS implementation; `OpenBLAS <https://www.openblas.net/>`__
-         is the default choice.
+      .. code:: sh
 
-         .. code:: sh
+         brew install openblas
 
-            brew install openblas
+      Next, install ``Xcode Command Line Tools``.
 
-         Next, install ``Xcode Command Line Tools``.
+      .. code:: sh
 
-         .. code:: sh
+         xcode-select --install
 
-            xcode-select --install
+.. tabbed:: Windows
 
-   .. tab:: Windows
+   On Windows you need to use `Anaconda3 <https://www.anaconda.com/distribution/#windows>`__
+   or `Miniconda3 <https://docs.conda.io/en/latest/miniconda.html>`__ to install all the
+   dependencies.
 
-      On Windows you need to use `Anaconda3 <https://www.anaconda.com/distribution/#windows>`__
-      or `Miniconda3 <https://docs.conda.io/en/latest/miniconda.html>`__ to install all the
-      dependencies.
+   3. Install compiler requirements.
 
-      3. Install compiler requirements.
+      .. code:: sh
 
-         .. code:: sh
+         conda install --update-deps vs2017_win-64 vs2017_win-32 msvc_runtime
 
-            conda install --update-deps vs2017_win-64 vs2017_win-32 msvc_runtime
+   4. Install binary and build dependencies.
 
-      4. Install binary and build dependencies.
+      .. code:: sh
 
-         .. code:: sh
-
-            conda install --update-deps -c conda-forge -y openblas cmake
+         conda install --update-deps -c conda-forge -y openblas cmake
 
 
 5. Build and install qiskit-aer directly

docs/getting_started.rst

@@ -149,8 +149,9 @@ Installation
       https://github.com/pypa/sample-namespace-packages/blob/master/table.md
       for the set of combinations of installation methods that work together.
 
-   Set up the Virtual Development Environment
-   ------------------------------------------
+   .. raw:: html
+
+      <h3>Set up the Virtual Development Environment</h3>
 
    .. code-block:: sh
 
@@ -159,8 +160,9 @@ Installation
 
    .. _install-qiskit-terra:
 
-   Installing Terra from Source
-   ----------------------------
+   .. raw:: html
+
+      <h2>Installing Terra from Source</h2>
 
    Installing from source requires that you have a C++ compiler on your system that supports
    C++11.
@@ -261,8 +263,9 @@ Installation
 
    .. _install-qiskit-aer:
 
-   Installing Aer from Source
-   --------------------------
+   .. raw:: html
+
+      <h2>Installing Aer from Source</h2>
 
    1. Clone the Aer repository.
 
@@ -399,8 +402,9 @@ Installation
 
    .. _aer_wheel_build_options:
 
-   Custom options during wheel builds
-   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   .. raw:: html
+
+      <h4>Custom options</h4>
 
    The Aer build system uses `scikit-build <https://scikit-build.readthedocs.io/en/latest/index.html>`__
    to run the compilation when building it with the Python interface. It acts as an interface for
@@ -478,8 +482,9 @@ Installation
 
    .. _install-qiskit-ignis:
 
-   Installing Ignis from Source
-   ----------------------------
+   .. raw:: html
+
+      <h2>Installing Ignis from Source</h2>
 
    1. Clone the Ignis repository.
 
@@ -516,8 +521,9 @@ Installation
 
    .. _install-qiskit-aqua:
 
-   Installing Aqua from Source
-   ---------------------------
+   .. raw:: html
+
+      <h2>Installing Aqua from Source</h2>
 
    1. Clone the Aqua repository.
 
@@ -554,8 +560,9 @@ Installation
 
    .. _install-qiskit-ibmq-provider:
 
-   Installing IBM Quantum Provider from Source
-   -------------------------------------------
+   .. raw:: html
+
+      <h2>Installing IBM Quantum Provider from Source</h2>
 
    1. Clone the qiskit-ibmq-provider repository.