feat: add user event log to admin page

client/app/scss/style.scss

@@ -32,10 +32,19 @@ body {
   display: flex;
 }
 
+.flex--center {
+  align-items: center;
+  justify-content: center;
+}
+
 .flex--v-center {
   align-items: center;
 }
 
+.flex--h-center {
+  justify-content: center;
+}
+
 .content {
   padding: 20px;
   @include tinyScreen {
@@ -77,3 +86,9 @@ body {
     display: none;
   }
 }
+
+.hide-small {
+  @include smallScreen {
+    display: none;
+  }
+}

client/app/scss/table.scss

@@ -4,7 +4,13 @@
   thead {
     text-align: left;
   }
+  td,
+  th {
+    padding: 10px 5px;
+  }
+}
 
+.table--ellipsis {
   td,
   th {
     white-space: nowrap;