Updated readme

README.md

@@ -2,8 +2,10 @@
 
 A personal documents server, Coreander indexes the documents (EPUBs and PDFs with no DRM) that it finds in the passed folder, and provides a web interface to search and access them.
 
-![Coreander home](home.png)
-*Coreander home*
+<figure>
+    <img src="home.png" alt="Coreander home" style="border: solid 1px">
+    <figcaption style="text-align: center"><i>Coreander home</i></figcaption>
+</figure>
 
 ## Features
 * Single binary with all dependencies included.
@@ -134,9 +136,17 @@ On first run, Coreander creates an admin user with the following credentials:
 
 ## Screenshots
 
-![Search results](search-results.png)
-*Search results*
-![Document detail in dark mode](doc-detail.png)
-*Document detail in dark mode*
-![Reading interface](reading.png)
-*Reading interface*
+<figure style="margin-bottom: 2em">
+    <img src="search-results.png" alt="Coreander home" style="border: solid 1px;">
+    <figcaption style="text-align: center"><i>Coreander home</i></figcaption>
+</figure>
+
+<figure style="margin-bottom: 2em">
+    <img src="doc-detail.png" alt="Document detail in dark mode" style="border: solid 1px">
+    <figcaption style="text-align: center"><i>Document detail in dark mode</i></figcaption>
+</figure>
+
+<figure>
+    <img src="reading.png" alt="Reading interface" style="border: solid 1px">
+    <figcaption style="text-align: center"><i>Reading interfac</i></figcaption>
+</figure>