added population data for 6 new sites; minor UI fixes

covid.js

@@ -94,6 +94,9 @@ var siteData = {
     "Burkina Faso": {
         "population": 20107509
     },
+    "Burundi": {
+        "population": 11745876
+    },
     "Cambodia": {
         "population": 15288489
     },
@@ -331,6 +334,9 @@ var siteData = {
     "Malaysia": {
         "population": 32772100
     },
+    "Malawi": {
+        "population": 18143217
+    },
     "Maldives": {
         "population": 392473
     },
@@ -454,6 +460,9 @@ var siteData = {
     "San Marino": {
         "population": 33344
     },
+    "Sao Tome and Principe": {
+        "population": 211028
+    },
     "Saudi Arabia": {
         "population": 34218169
     },
@@ -466,6 +475,9 @@ var siteData = {
     "Seychelles": {
         "population": 97096
     },
+    "Sierra Leone": {
+        "population": 7092113
+    },
     "Singapore": {
         "population": 5638700
     },
@@ -484,6 +496,9 @@ var siteData = {
     "South Korea": {
         "population": 51709098
     },
+    "South Sudan": {
+        "population": 10975927
+    },
     "Spain": {
         "population": 46733038
     },
@@ -559,6 +574,12 @@ var siteData = {
     "Vietnam": {
         "population": 95545962
     },
+    "Western Sahara": {
+        "population": 567402
+    },
+    "Yemen": {
+        "population": 28498683
+    },
     "Zambia": {
         "population": 13092666
     },

index.html

@@ -120,8 +120,8 @@
                 margin: 0.3em;
                 flex-grow:1;
                 flex-shrink:1;
-                padding-left:1em;
-                padding-right:1em;
+                padding-left:0.5em;
+                padding-right:0.5em;
             }
             .sources {
                 font-size: 80%;