Expose TLS settings in the Security panel overview, and call out individual obsolete settings.

third_party/WebKit/Source/devtools/front_end/security/mainView.css

Index: third_party/WebKit/Source/devtools/front_end/security/mainView.css
diff --git a/third_party/WebKit/Source/devtools/front_end/security/mainView.css b/third_party/WebKit/Source/devtools/front_end/security/mainView.css
index 1f6449a94cda53e854820113150f2665e692d6b1..6163ab3bfcc155cc538cdcdea594bfe2607db981 100644
--- a/third_party/WebKit/Source/devtools/front_end/security/mainView.css
+++ b/third_party/WebKit/Source/devtools/front_end/security/mainView.css
@@ -144,13 +144,17 @@
 .security-explanation-text {
     flex: auto;
     white-space: normal;
+    max-width: 400px;
 }
 
 .security-explanation-info {
-    border-bottom: none;
     background-color: transparent;
 }
 
+.security-explanation-info:only-child {
+    border-bottom: none;
+}
+
 .security-certificate-button {
     margin-top: 8px;
 }