diff -r 7e3c61c340d3 -r c34c81b87674 src/main/webapp/lightpit.css
--- a/src/main/webapp/lightpit.css	Sat Aug 29 11:06:31 2020 +0200
+++ b/src/main/webapp/lightpit.css	Sat Aug 29 11:49:53 2020 +0200
@@ -234,10 +234,36 @@
     margin-top: .5em;
 }
 
-.info-box {
+.info-box, .error-box, .warn-box {
     margin: 2em;
     border-style: dashed;
     border-width: 1pt;
     border-color: deepskyblue;
     padding: 1em;
-}
\ No newline at end of file
+}
+
+.error-box {
+    border-color: red;
+}
+
+.warn-box {
+    border-color: gold;
+}
+
+.table {
+    display: table;
+    border-spacing: .5em;
+    margin: -.5em;
+}
+
+.row {
+    display: table-row;
+}
+
+.caption {
+    font-weight: bold;
+}
+
+.row > div {
+    display: table-cell;
+}