Update style for date selectors

views/dataPage/data.css

@@ -15,9 +15,13 @@
 
 .dates{
     display: flex;
-    justify-content: space-around;
+    justify-content: center;
 }
 
+    .dates > *{
+        margin: 10px;
+    }
+
 /* Home Strand */
 #homeStrand{
     flex-direction: column;