diff --git a/browser/devtools/netmonitor/netmonitor.xul b/browser/devtools/netmonitor/netmonitor.xul
index c31d6026847..d4e67d49342 100644
--- a/browser/devtools/netmonitor/netmonitor.xul
+++ b/browser/devtools/netmonitor/netmonitor.xul
@@ -499,7 +499,7 @@
                       <vbox class="security-info-section">
                         <hbox id="security-protocol-version"
                               class="tabpanel-summary-container"
-                              align="center">
+                              align="baseline">
                           <label class="plain tabpanel-summary-label"
                                  value="&netmonitorUI.security.protocolVersion;"/>
                           <label id="security-protocol-version-value"
@@ -512,7 +512,7 @@
                         </hbox>
                         <hbox id="security-ciphersuite"
                               class="tabpanel-summary-container"
-                              align="center">
+                              align="baseline">
                           <label class="plain tabpanel-summary-label"
                                  value="&netmonitorUI.security.cipherSuite;"/>
                           <label id="security-ciphersuite-value"
@@ -532,7 +532,7 @@
                       <vbox class="security-info-section">
                         <hbox id="security-http-strict-transport-security"
                               class="tabpanel-summary-container"
-                              align="center">
+                              align="baseline">
                           <label class="plain tabpanel-summary-label"
                                  value="&netmonitorUI.security.hsts;"/>
                           <label id="security-http-strict-transport-security-value"
@@ -542,7 +542,7 @@
                         </hbox>
                         <hbox id="security-public-key-pinning"
                               class="tabpanel-summary-container"
-                              align="center">
+                              align="baseline">
                           <label class="plain tabpanel-summary-label"
                                  value="&netmonitorUI.security.hpkp;"/>
                           <label id="security-public-key-pinning-value"
@@ -563,7 +563,7 @@
                         </vbox>
                         <vbox class="security-info-section">
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.cn;:"/>
                             <label id="security-cert-subject-cn"
@@ -572,7 +572,7 @@
                                    flex="1"/>
                           </hbox>
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.o;:"/>
                             <label id="security-cert-subject-o"
@@ -581,7 +581,7 @@
                                    flex="1"/>
                           </hbox>
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.ou;:"/>
                             <label id="security-cert-subject-ou"
@@ -596,7 +596,7 @@
                         </vbox>
                         <vbox class="security-info-section">
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.cn;:"/>
                             <label id="security-cert-issuer-cn"
@@ -605,7 +605,7 @@
                                    flex="1"/>
                           </hbox>
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.o;:"/>
                             <label id="security-cert-issuer-o"
@@ -614,7 +614,7 @@
                                    flex="1"/>
                           </hbox>
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.ou;:"/>
                             <label id="security-cert-issuer-ou"
@@ -629,7 +629,7 @@
                         </vbox>
                         <vbox class="security-info-section">
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.begins;:"/>
                             <label id="security-cert-validity-begins"
@@ -638,7 +638,7 @@
                                    flex="1"/>
                           </hbox>
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.expires;:"/>
                             <label id="security-cert-validity-expires"
@@ -653,7 +653,7 @@
                         </vbox>
                         <vbox class="security-info-section">
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.sha256fingerprint;:"/>
                             <label id="security-cert-sha256-fingerprint"
@@ -662,7 +662,7 @@
                                    flex="1"/>
                           </hbox>
                           <hbox class="tabpanel-summary-container"
-                                align="center">
+                                align="baseline">
                             <label class="plain tabpanel-summary-label"
                                    value="&certmgr.certdetail.sha1fingerprint;:"/>
                             <label id="security-cert-sha1-fingerprint"