Improve styling of trace statistics selectors (#639)

Signed-off-by: Ruben Vargas <ruben.vp8510@gmail.com>

Author: rubenvp8510

packages/jaeger-ui/src/components/TracePage/TraceStatistics/TraceStatisticsHeader.css

@@ -20,7 +20,7 @@ limitations under the License.
   flex-wrap: wrap;
   font-size: unset;
   margin: 0;
-  padding: 0.75rem 1.25rem 0.75rem 1.25rem;
+  padding: 0.5rem 1.25rem 0.5rem 1.25rem;
   position: relative;
 }
 
@@ -37,3 +37,7 @@ limitations under the License.
   right: 0;
   padding-right: 40px;
 }
+
+.TraceStatisticsHeader .NameSelector {
+  font-size: 1em;
+}