--- a/devtools/client/netmonitor/src/assets/styles/RequestList.css
+++ b/devtools/client/netmonitor/src/assets/styles/RequestList.css
@@ -340,16 +340,17 @@
 
 .requests-list-response-header {
   width: 10%;
 }
 
 /* Domain column */
 
 .requests-list-domain {
+  min-width: 100px;
   width: 30%;
 }
 
 .requests-list-domain.requests-list-column {
   text-align: start;
 }
 
 .requests-security-state-icon {
@@ -391,16 +392,20 @@
 }
 
 /* Cause column */
 
 .requests-list-cause {
   min-width: 75px;
 }
 
+.request-list-item .requests-list-cause.requests-list-column {
+  padding-left: 5px;
+}
+
 .requests-list-cause-stack {
   display: inline-block;
   background-color: var(--theme-body-color-alt);
   color: var(--theme-body-background);
   font-size: 8px;
   font-weight: bold;
   line-height: 10px;
   border-radius: 3px;