set textarea height relative to view-height

static/index.css

@@ -59,6 +59,10 @@ textarea,
   max-width: calc(100vw - 2rem);
 }
 
+textarea {
+  height: 30vh;
+}
+
 *.hidden {
   display: none;
 }

template/index.html

@@ -17,7 +17,7 @@
         <br />
         <label for="text-upload">oder asciitrash</label>
         <br />
-        <textarea id="text-upload" name="text" rows="20" cols="120"></textarea>
+        <textarea id="text-upload" name="text" cols="120"></textarea>
         <br />
         <label for="keep_for">gültig für</label>
         <select id="keep_for" name="keep_for">