small fix

Author: ukyo

README.md

@@ -12,4 +12,3 @@ webassemblyの薄い本
 * [Get Started](https://ukyo.github.io/wasm-usui-book/webroot/get-started-webassembly.html)
 * [Binery Format](https://ukyo.github.io/wasm-usui-book/webroot/binary-format.html)
 * [Text Format](https://ukyo.github.io/wasm-usui-book/webroot/text-format.html)
-* [JavaScript APIs](https://ukyo.github.io/wasm-usui-book/webroot/javascript-api.html)

style.css

@@ -11,6 +11,10 @@ x:p:h1:h2:h3 = 12px:14px:16px:24px:30px
 */
 * {
 }
+html, body {
+  min-height: 100vh;
+  display: flex;
+}
 body {
     margin: 0;
     padding: 0;
@@ -521,4 +525,4 @@ code.tt {
   font-size: 0.8em;
   padding: 0 0.4em;
   margin: 0 0.1em;
-}
+}

webroot/style.css

@@ -11,6 +11,10 @@ x:p:h1:h2:h3 = 12px:14px:16px:24px:30px
 */
 * {
 }
+html, body {
+  min-height: 100vh;
+  display: flex;
+}
 body {
     margin: 0;
     padding: 0;
@@ -521,4 +525,4 @@ code.tt {
   font-size: 0.8em;
   padding: 0 0.4em;
   margin: 0 0.1em;
-}
+}