Slight formatting fixes table, fixes doubling grid spacing

src/definitions/collections/grid.less

@@ -95,8 +95,8 @@ body > .ui.grid {
 
 /* Vertical padding when no rows */
 .ui.grid > .column:not(.row) {
-  margin-top: @rowSpacing;
-  margin-bottom: @rowSpacing;
+  margin-top: (@rowSpacing / 2);
+  margin-bottom: (@rowSpacing / 2);
 }
 
 /*-------------------
@@ -828,6 +828,9 @@ body > .ui.grid {
   .ui.doubling.grid > .row {
     display: inline;
   }
+  .ui.doubling.grid > .row > .column {
+    margin-bottom: @doublingRowSpacing;
+  }
   .ui.two.column.doubling.grid > .row > .column,
   .ui.two.column.doubling.grid > .column,
   .ui.grid > .two.column.doubling.row > .column {

src/definitions/collections/table.less

@@ -69,7 +69,7 @@
 
 /* Table Cells */
 .ui.table td {
-  padding: 0.40em 0.7em;
+  padding: 0.5em 0.7em;
   vertical-align: middle;
 }
 
@@ -452,6 +452,12 @@
 .ui.celled.table.segment td:last-child {
   border-right: none;
 }
+.ui.celled.table.segment tr:first-child td {
+  border-top: none;
+}
+.ui.celled.table.segment tr:last-child td {
+  border-bottom: none;
+}
 
 /*--------------
     Sortable
@@ -534,10 +540,10 @@
   padding: 0.5em;
 }
 .ui.basic.table tbody tr {
-  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
+  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
 }
 .ui.basic.table td {
-  padding: 0.8em 0.5em;
+  padding: 0.8em 1em;
 }
 .ui.basic.table tbody tr:nth-child(2n) {
   background-color: transparent !important;