sergio.am/_includes/navbar.html

<div class="navbar" role="navigation">
  <nav class="menu">
    <input type="checkbox" id="menu-trigger" class="menu-trigger" />
    <label for="menu-trigger">
      <span class="menu-icon">
        <svg
          xmlns="http://www.w3.org/2000/svg"
          width="24"
          height="24"
          viewBox="0 0 512 512"
        >
          <path
            d="M64,384H448V341.33H64Zm0-106.67H448V234.67H64ZM64,128v42.67H448V128Z"
          />
        </svg>
      </span>
    </label>
    <div class="trigger">
      <div class="trigger-container">
        {%- assign url = page.url -%}
        {%- assign menus = site.data.menus -%}
        {%- if menus %}
          {%- for menu in menus -%} 
            {%- if url == menu.url -%}
              <a class="menu-link active" href="{{ menu.url }}">{{ menu.title }}</a>
            {%- else -%} 
              <a class="menu-link" href="{{ menu.url }}">{{ menu.title }}</a>
            {%- endif -%} 
          {%- endfor -%}
        {%- else -%}
          <a class="menu-link {% if url == '/' %}active{% endif %}" href="/">home</a>
          <a class="menu-link {% if url == '/about/' %}active{% endif %}" href="/about">about</a>
        {%- endif -%}
        <a class="menu-link rss" href="/feed.xml">
          <svg
            xmlns="http://www.w3.org/2000/svg"
            width="17"
            height="17"
            viewBox="0 0 512 512"
            fill="#ED812E"
          >
            <title>RSS</title>
            <path
              d="M108.56,342.78a60.34,60.34,0,1,0,60.56,60.44A60.63,60.63,0,0,0,108.56,342.78Z"
            />
            <path
              d="M48,186.67v86.55c52,0,101.94,15.39,138.67,52.11s52,86.56,52,138.67h86.66C325.33,312.44,199.67,186.67,48,186.67Z"
            />
            <path
              d="M48,48v86.56c185.25,0,329.22,144.08,329.22,329.44H464C464,234.66,277.67,48,48,48Z"
            />
          </svg>
        </a>
      </div>
    </div>
    <a id="mode">
      <svg
        class="mode-sunny"
        xmlns="http://www.w3.org/2000/svg"
        width="24"
        height="24"
        viewBox="0 0 512 512"
      >
        <title>LIGHT</title>
        <line
          x1="256"
          y1="48"
          x2="256"
          y2="96"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="256"
          y1="416"
          x2="256"
          y2="464"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="403.08"
          y1="108.92"
          x2="369.14"
          y2="142.86"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="142.86"
          y1="369.14"
          x2="108.92"
          y2="403.08"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="464"
          y1="256"
          x2="416"
          y2="256"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="96"
          y1="256"
          x2="48"
          y2="256"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="403.08"
          y1="403.08"
          x2="369.14"
          y2="369.14"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="142.86"
          y1="142.86"
          x2="108.92"
          y2="108.92"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <circle
          cx="256"
          cy="256"
          r="80"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
      </svg>
      <svg
        class="mode-moon"
        xmlns="http://www.w3.org/2000/svg"
        width="24"
        height="24"
        viewBox="0 0 512 512"
      >
        <title>DARK</title>
        <line
          x1="256"
          y1="48"
          x2="256"
          y2="96"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="256"
          y1="416"
          x2="256"
          y2="464"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="403.08"
          y1="108.92"
          x2="369.14"
          y2="142.86"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="142.86"
          y1="369.14"
          x2="108.92"
          y2="403.08"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="464"
          y1="256"
          x2="416"
          y2="256"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="96"
          y1="256"
          x2="48"
          y2="256"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="403.08"
          y1="403.08"
          x2="369.14"
          y2="369.14"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <line
          x1="142.86"
          y1="142.86"
          x2="108.92"
          y2="108.92"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
        <circle
          cx="256"
          cy="256"
          r="80"
          style="stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px"
        />
      </svg>
    </a>
  </nav>
</div>