diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index 678e1762a5519..2eee60890e87d 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -2243,14 +2243,7 @@ fn item_function(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
 
 fn render_implementor(cx: &Context, implementor: &Impl, w: &mut fmt::Formatter,
                       implementor_dups: &FxHashMap<&str, (DefId, bool)>) -> Result<(), fmt::Error> {
-    write!(w, "<li>")?;
-    if let Some(l) = (Item { cx, item: &implementor.impl_item }).src_href() {
-        write!(w, "<div class='out-of-band'>")?;
-        write!(w, "<a class='srclink' href='{}' title='{}'>[src]</a>",
-                    l, "goto source code")?;
-        write!(w, "</div>")?;
-    }
-    write!(w, "<code>")?;
+    write!(w, "<li><table class='table-display'><tbody><tr><td><code>")?;
     // If there's already another implementor that has the same abbridged name, use the
     // full path, for example in `std::iter::ExactSizeIterator`
     let use_absolute = match implementor.inner_impl().for_ {
@@ -2269,7 +2262,14 @@ fn render_implementor(cx: &Context, implementor: &Impl, w: &mut fmt::Formatter,
             write!(w, ";</span>")?;
         }
     }
-    writeln!(w, "</code></li>")?;
+    write!(w, "</code><td>")?;
+    if let Some(l) = (Item { cx, item: &implementor.impl_item }).src_href() {
+        write!(w, "<div class='out-of-band'>")?;
+        write!(w, "<a class='srclink' href='{}' title='{}'>[src]</a>",
+                    l, "goto source code")?;
+        write!(w, "</div>")?;
+    }
+    writeln!(w, "</td></tr></tbody></table></li>")?;
     Ok(())
 }
 
@@ -3314,10 +3314,11 @@ fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLi
             Some(ref t) => format!("impl-{}", small_url_encode(&format!("{:#}", t))),
             None => "impl".to_string(),
         });
-        write!(w, "<h3 id='{}' class='impl'><span class='in-band'><code>{}</code>",
+        write!(w, "<h3 id='{}' class='impl'><span class='in-band'><table class='table-display'>\
+                   <tbody><tr><td><code>{}</code>",
                id, i.inner_impl())?;
         write!(w, "<a href='#{}' class='anchor'></a>", id)?;
-        write!(w, "</span><span class='out-of-band'>")?;
+        write!(w, "</span></td><td><span class='out-of-band'>")?;
         let since = i.impl_item.stability.as_ref().map(|s| &s.since[..]);
         if let Some(l) = (Item { item: &i.impl_item, cx: cx }).src_href() {
             write!(w, "<div class='ghost'></div>")?;
@@ -3327,8 +3328,7 @@ fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLi
         } else {
             render_stability_since_raw(w, since, outer_version)?;
         }
-        write!(w, "</span>")?;
-        write!(w, "</h3>\n")?;
+        write!(w, "</span></td></tr></tbody></table></h3>")?;
         if let Some(ref dox) = cx.shared.maybe_collapsed_doc_value(&i.impl_item) {
             write!(w, "<div class='docblock'>{}</div>",
                    Markdown(&*dox, &i.impl_item.links()))?;
@@ -3357,19 +3357,20 @@ fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLi
                     write!(w, "<h4 id='{}' class=\"{}\">", id, item_type)?;
                     write!(w, "{}", spotlight_decl(decl)?)?;
                     write!(w, "<span id='{}' class='invisible'>", ns_id)?;
-                    write!(w, "<code>")?;
+                    write!(w, "<table class='table-display'><tbody><tr><td><code>")?;
                     render_assoc_item(w, item, link.anchor(&id), ItemType::Impl)?;
                     write!(w, "</code>")?;
                     if let Some(l) = (Item { cx, item }).src_href() {
-                        write!(w, "</span><span class='out-of-band'>")?;
+                        write!(w, "</span></td><td><span class='out-of-band'>")?;
                         write!(w, "<div class='ghost'></div>")?;
                         render_stability_since_raw(w, item.stable_since(), outer_version)?;
                         write!(w, "<a class='srclink' href='{}' title='{}'>[src]</a>",
                                l, "goto source code")?;
                     } else {
+                        write!(w, "</td><td>")?;
                         render_stability_since_raw(w, item.stable_since(), outer_version)?;
                     }
-                    write!(w, "</span></h4>\n")?;
+                    write!(w, "</td></tr></tbody></table></span></h4>")?;
                 }
             }
             clean::TypedefItem(ref tydef, _) => {
diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css
index 9b899dd4517ea..5fb2aa4ef74f8 100644
--- a/src/librustdoc/html/static/rustdoc.css
+++ b/src/librustdoc/html/static/rustdoc.css
@@ -387,8 +387,6 @@ h4 > code, h3 > code, .invisible > code {
 .content .in-band {
 	margin: 0px;
 	padding: 0px;
-	display: inline-block;
-	max-width: calc(100% - 43px);
 }
 
 .in-band > code {
@@ -403,7 +401,7 @@ h4 > code, h3 > code, .invisible > code {
 	font-family: "Fira Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
 }
 
-.content table {
+.content table:not(.table-display) {
 	border-spacing: 0 5px;
 	border-collapse: separate;
 }
@@ -470,7 +468,6 @@ h4 > code, h3 > code, .invisible > code {
 .content .methods > div:not(.important-traits) { margin-left: 40px; }
 
 .content .impl-items .docblock, .content .impl-items .stability {
-	margin-left: 40px;
 	margin-bottom: .6em;
 }
 .content .impl-items .method, .content .impl-items > .type, .impl-items > .associatedconstant {
@@ -1254,3 +1251,28 @@ kbd {
 	/* important because of conflicting rule for small screens */
 	display: none !important;
 }
+
+#implementations-list > h3 > span.in-band {
+	width: 100%;
+}
+
+.table-display {
+	width: 100%;
+	border: 0;
+	border-collapse: collapse;
+	border-spacing: 0;
+	font-size: 16px;
+}
+
+.table-display tr td:first-child {
+	padding-right: 0;
+}
+
+.table-display tr td:last-child {
+	float: right;
+}
+.table-display .out-of-band {
+	position: relative;
+	font-size: 19px;
+	display: block;
+}
diff --git a/src/test/rustdoc/synthetic_auto/complex.rs b/src/test/rustdoc/synthetic_auto/complex.rs
index 531798c30c656..a4ebf6d3a7e83 100644
--- a/src/test/rustdoc/synthetic_auto/complex.rs
+++ b/src/test/rustdoc/synthetic_auto/complex.rs
@@ -30,7 +30,7 @@ mod foo {
 }
 
 // @has complex/struct.NotOuter.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<'a, T, K: \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<'a, T, K: \
 // ?Sized> Send for NotOuter<'a, T, K> where K: for<'b> Fn((&'b bool, &'a u8)) \
 // -> &'b i8, T: MyTrait<'a>, <T as MyTrait<'a>>::MyItem: Copy, 'a: 'static"
 
diff --git a/src/test/rustdoc/synthetic_auto/lifetimes.rs b/src/test/rustdoc/synthetic_auto/lifetimes.rs
index 272925e5db542..1c1e7bc250526 100644
--- a/src/test/rustdoc/synthetic_auto/lifetimes.rs
+++ b/src/test/rustdoc/synthetic_auto/lifetimes.rs
@@ -18,10 +18,10 @@ where
 {}
 
 // @has lifetimes/struct.Foo.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<'c, K> Send \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<'c, K> Send \
 // for Foo<'c, K> where K: for<'b> Fn(&'b bool) -> &'c u8, 'c: 'static"
 //
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<'c, K> Sync \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<'c, K> Sync \
 // for Foo<'c, K> where K: Sync"
 pub struct Foo<'c, K: 'c> {
     inner_field: Inner<'c, K>,
diff --git a/src/test/rustdoc/synthetic_auto/manual.rs b/src/test/rustdoc/synthetic_auto/manual.rs
index d81e6309dff61..ef6797ecf3c54 100644
--- a/src/test/rustdoc/synthetic_auto/manual.rs
+++ b/src/test/rustdoc/synthetic_auto/manual.rs
@@ -9,10 +9,10 @@
 // except according to those terms.
 
 // @has manual/struct.Foo.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' 'impl<T> Sync for \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' 'impl<T> Sync for \
 // Foo<T> where T: Sync'
 //
-// @has - '//*[@id="implementations-list"]/*[@class="impl"]/*/code' \
+// @has - '//*[@id="implementations-list"]/*[@class="impl"]//*/code' \
 // 'impl<T> Send for Foo<T>'
 //
 // @count - '//*[@id="implementations-list"]/*[@class="impl"]' 1
diff --git a/src/test/rustdoc/synthetic_auto/negative.rs b/src/test/rustdoc/synthetic_auto/negative.rs
index ec9cb710f1f8c..64480d28240b6 100644
--- a/src/test/rustdoc/synthetic_auto/negative.rs
+++ b/src/test/rustdoc/synthetic_auto/negative.rs
@@ -13,10 +13,10 @@ pub struct Inner<T: Copy> {
 }
 
 // @has negative/struct.Outer.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<T> !Send for \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<T> !Send for \
 // Outer<T>"
 //
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<T> \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<T> \
 // !Sync for Outer<T>"
 pub struct Outer<T: Copy> {
     inner_field: Inner<T>,
diff --git a/src/test/rustdoc/synthetic_auto/nested.rs b/src/test/rustdoc/synthetic_auto/nested.rs
index 1f33a8b13cbf8..ccdbe159b6c5a 100644
--- a/src/test/rustdoc/synthetic_auto/nested.rs
+++ b/src/test/rustdoc/synthetic_auto/nested.rs
@@ -18,10 +18,10 @@ where
 }
 
 // @has nested/struct.Foo.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' 'impl<T> Send for \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' 'impl<T> Send for \
 // Foo<T> where T: Copy'
 //
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' \
 // 'impl<T> Sync for Foo<T> where T: Sync'
 pub struct Foo<T> {
     inner_field: Inner<T>,
diff --git a/src/test/rustdoc/synthetic_auto/no-redundancy.rs b/src/test/rustdoc/synthetic_auto/no-redundancy.rs
index 0b37f2ed31790..24fba221b9937 100644
--- a/src/test/rustdoc/synthetic_auto/no-redundancy.rs
+++ b/src/test/rustdoc/synthetic_auto/no-redundancy.rs
@@ -19,7 +19,7 @@ where
 }
 
 // @has no_redundancy/struct.Outer.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<T> Send for \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<T> Send for \
 // Outer<T> where T: Copy + Send"
 pub struct Outer<T> {
     inner_field: Inner<T>,
diff --git a/src/test/rustdoc/synthetic_auto/project.rs b/src/test/rustdoc/synthetic_auto/project.rs
index 977607fb14826..d588190c4f9d2 100644
--- a/src/test/rustdoc/synthetic_auto/project.rs
+++ b/src/test/rustdoc/synthetic_auto/project.rs
@@ -33,10 +33,10 @@ where
 }
 
 // @has project/struct.Foo.html
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<'c, K> Send \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<'c, K> Send \
 // for Foo<'c, K> where K: MyTrait<MyItem = bool>, 'c: 'static"
 //
-// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]/*/code' "impl<'c, K> Sync \
+// @has - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]//*/code' "impl<'c, K> Sync \
 // for Foo<'c, K> where K: MyTrait, <K as MyTrait>::MyItem: OtherTrait, 'c: 'static,"
 pub struct Foo<'c, K: 'c> {
     inner_field: Inner<'c, K>,