remove topic list striping, use bottom border

app/assets/stylesheets/common/base/_topic-list.scss

@@ -16,20 +16,16 @@
 
 .topic-list {
   width: 100%;
-  border-collapse: separate;
-  border-spacing: 0;
+  border-collapse: collapse;
   border-top: 1px solid dark-light-diff($primary, $secondary, 90%, -75%);
   background: rgba($secondary, .8);
 
   > tbody > tr {
-
-    &.archived a {
-      opacity: 0.6;
-    }
     &.has-excerpt .star {
       vertical-align: top;
       margin-top: 2px;
     }
+    border-bottom: 1px solid dark-light-diff($primary, $secondary, 90%, -75%);
   }
 
   th,

app/assets/stylesheets/desktop/topic-list.scss

@@ -55,12 +55,6 @@
   }
 
   > tbody > tr {
-    &:nth-child(odd) {
-        background-color: darken($secondary, 3%);
-    }
-    &:nth-child(even) {
-        background-color: $secondary;
-    }
     &.highlighted {
         background-color: dark-light-diff($tertiary, $secondary, 90%, -41%);
     }
@@ -184,6 +178,7 @@
     position: relative;
   }
   > tbody > tr {
+    border-bottom: none;
     &:nth-child(odd) {
         background-color: darken($secondary, 3%);
       }

app/assets/stylesheets/desktop/topic-post.scss

@@ -462,15 +462,6 @@ a.star {
 #suggested-topics {
   clear: left;
   padding: 20px 0 15px 0;
-  .topic-list {
-    > tbody > tr {
-      &:nth-child(odd) {
-          background-color: darken($secondary, 3%);
-      }
-      &:nth-child(even) {
-          background-color: $secondary;
-      }
-    }
   }
   table {
     table-layout: fixed;

app/assets/stylesheets/desktop/user.scss

@@ -582,14 +582,6 @@
 }
 
 .paginated-topics-list {
-  .topic-list > tbody > tr:nth-child(odd) {
-    background-color: darken($secondary, 3%);
-  }
-
-  .topic-list > tbody > tr:nth-child(even) {
-    background-color: $secondary;
-  }
-
   .user-content {
     width: 100%;
     margin-top: 0;

app/assets/stylesheets/mobile/topic-list.scss

@@ -30,16 +30,10 @@
 .topic-list {
 
   > tbody > tr {
-    &:nth-child(even) {
-      background-color: darken($secondary, 3%);
-      }
-    &:nth-child(odd) {
-      background-color: $secondary;
-      }
     &.highlighted {
       background-color: scale-color($tertiary, $lightness: 85%);
     }
-    }
+  }
 
   th,
   td {

app/assets/stylesheets/mobile/user.scss

@@ -579,18 +579,10 @@
 .paginated-topics-list {
   margin-top: 20px;
 
-    .topic-list > tbody > tr:nth-child(odd)  {
-      background-color: darken($secondary, 3%);
-      }
-
-    .topic-list > tbody > tr:nth-child(even) {
-      background-color: $secondary;
-      }
-
-    .user-content {
-        width: 100%;
-        margin-top: 0;
-      }
+  .user-content {
+      width: 100%;
+      margin-top: 0;
+    }
 }
 
 .user-archive {