Rollup merge of #87230 - GuillaumeGomez:docblock-table-overflow, r=notriddle

Fix docblock <table> overflow

Before:

![Screenshot from 2021-07-18 00-05-23](https://user-images.githubusercontent.com/3050060/126050272-ce08bc5f-74ff-4135-bc12-d708d87470cc.png)

After:

![Screenshot from 2021-07-18 00-03-55](https://user-images.githubusercontent.com/3050060/126050273-42f41b4d-ad57-4a87-91de-18e63f8504ec.png)

cc `@SergioBenitez`

r? `@notriddle`

4 files changed, 5 insertions, 4 deletions

diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index e608ad05b17..6672093eb7b 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -560,7 +560,8 @@ nav.sub {
 .docblock table {
 	margin: .5em 0;
 	width: calc(100% - 2px);
-	border: 1px dashed;
+	overflow-x: auto;
+	display: block;
 }
 
 .docblock table td {
diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css
index 8296c3f91ca..354cdd2fb03 100644
--- a/src/librustdoc/html/static/css/themes/ayu.css
+++ b/src/librustdoc/html/static/css/themes/ayu.css
@@ -140,7 +140,7 @@ pre, .rustdoc.source .example-wrap {
 	border-bottom-color: #5c6773;
 }
 
-.docblock table, .docblock table td, .docblock table th {
+.docblock table td, .docblock table th {
 	border-color: #5c6773;
 }
 
diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css
index 599fb942dbe..b4f5a13c815 100644
--- a/src/librustdoc/html/static/css/themes/dark.css
+++ b/src/librustdoc/html/static/css/themes/dark.css
@@ -97,7 +97,7 @@ pre, .rustdoc.source .example-wrap {
 	border-bottom-color: #DDD;
 }
 
-.docblock table, .docblock table td, .docblock table th {
+.docblock table td, .docblock table th {
 	border-color: #ddd;
 }
 
diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css
index 0c2799727f3..29cbcd65ce8 100644
--- a/src/librustdoc/html/static/css/themes/light.css
+++ b/src/librustdoc/html/static/css/themes/light.css
@@ -97,7 +97,7 @@ pre, .rustdoc.source .example-wrap {
 	border-bottom-color: #ddd;
 }
 
-.docblock table, .docblock table td, .docblock table th {
+.docblock table td, .docblock table th {
 	border-color: #ddd;
 }