fix: change size for font-size

Author: vyskocilpavel

www/res/css/attribute_check.css

@@ -2,6 +2,10 @@
     max-width: 1080px;
 }
 
+body, .btn {
+    font-size: 1.3rem;
+}
+
 .attributes_block {
     line-height: 2em;
 }