fixed styles

Author: UmamiAppearance

demo.html

@@ -289,6 +289,9 @@
             main {
                 min-height: calc(100vh - 40px);
             }
+            form {
+                width: min-content;
+            }
             form, code {
                 background-color: aliceblue;
                 box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
@@ -311,7 +314,7 @@
                 font-size: 1rem;
             }
             textarea {
-                margin-bottom: 8px;
+                margin: 6px 0 8px 0;
                 resize: none;
             }
             select {