fixed image heights when scaling width

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

Dockerfile

@@ -22,9 +22,8 @@ RUN adduser -D umbrella
 COPY --from=java_build /Umbrella/backend/build/libs/backend.jar /home/umbrella/jar/
 RUN chown -R umbrella /home/umbrella
 ADD https://github.com/plantuml/plantuml/releases/download/v1.2025.10/plantuml-1.2025.10.jar /home/umbrella/plantuml.jar
-WORKDIR /home/umbrella
-RUN chmod a+rx plantuml.jar
 USER umbrella
+WORKDIR /home/umbrella
 RUN mkdir .config && ln -s /host/config.json .config/Umbrella.json
 EXPOSE 80
 CMD java -jar jar/backend.jar

web/src/main/resources/web/css/bloodshed.css

@@ -57,8 +57,9 @@ footer {
   margin: 5px;
 }
 
-img {
+img, svg {
 	max-width: 100%;
+	height: auto !important;
 }
 
 nav {

web/src/main/resources/web/css/default.css

@@ -57,8 +57,9 @@ footer {
   margin: 5px;
 }
 
-img {
+img, svg {
 	max-width: 100%;
+	height: auto !important;
 }
 
 nav {

web/src/main/resources/web/css/winter.css

@@ -57,17 +57,18 @@ footer {
   margin: 5px;
 }
 
-img {
+img, svg {
 	max-width: 100%;
+	height: auto !important;
 }
 
 nav {
-  position: sticky;
+    position: sticky;
-  z-index: 100;
+    z-index: 100;
-  top: 0;
+    top: 0;
-  padding: 5px;
+    padding: 5px;
-  margin: 0 0 10px 0;
+    margin: 0 0 10px 0;
-  border-bottom: 1px solid;
+    border-bottom: 1px solid;
 }
 
 td, tr{