Wrap my avatar and introduction text in a div together

This way I can set it up so that the introduction text doesn't try to get under
the avatar.

index.org

@@ -4,10 +4,12 @@
 #+STARTUP: showall
 #+STARTUP: inlineimages
 
+#+begin_introduction
 #+ATTR_HTML: :id avatar :alt Angry black prinny (looking like Tux), playing on a PSP
 [[file:assets/avatar-96.png]]
 
 Hi, welcome! This is my website. I'm a software developer. I love Free Software and Open Source Software, and all of my projects are available for anyone to use. I also would love for anyone to contribute to any of them. I can’t promise your contribution will be merged, but I can promise it will be considered and greatly appreciated regardless.
+#+end_introduction
 
 * Gardening
 

src/less/include/components.less

@@ -29,6 +29,11 @@ pre.src {
   margin: 0;
 }
 
+.introduction {
+  display: grid;
+  grid-template-columns: auto auto;
+}
+
 .listless-list {
   list-style-type: none;