update to bootstrap 4 beta3

library/bootstrap/css/bootstrap-reboot.css

@@ -1,5 +1,17 @@
-html {
+/*!
+ * Bootstrap Reboot v4.0.0-beta.3 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
+*,
+*::before,
+*::after {
   box-sizing: border-box;
+}
+
+html {
   font-family: sans-serif;
   line-height: 1.15;
   -webkit-text-size-adjust: 100%;
@@ -8,12 +20,6 @@ html {
   -webkit-tap-highlight-color: transparent;
 }
 
-*,
-*::before,
-*::after {
-  box-sizing: inherit;
-}
-
 @-ms-viewport {
   width: device-width;
 }
@@ -24,16 +30,17 @@ article, aside, dialog, figcaption, figure, footer, header, hgroup, main, nav, s
 
 body {
   margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
   font-size: 1rem;
-  font-weight: normal;
+  font-weight: 400;
   line-height: 1.5;
   color: #212529;
+  text-align: left;
   background-color: #fff;
 }
 
 [tabindex="-1"]:focus {
-  outline: none !important;
+  outline: 0 !important;
 }
 
 hr {
@@ -44,7 +51,7 @@ hr {
 
 h1, h2, h3, h4, h5, h6 {
   margin-top: 0;
-  margin-bottom: .5rem;
+  margin-bottom: 0.5rem;
 }
 
 p {
@@ -56,7 +63,7 @@ abbr[title],
 abbr[data-original-title] {
   text-decoration: underline;
   -webkit-text-decoration: underline dotted;
-          text-decoration: underline dotted;
+  text-decoration: underline dotted;
   cursor: help;
   border-bottom: 0;
 }
@@ -82,7 +89,7 @@ ul ol {
 }
 
 dt {
-  font-weight: bold;
+  font-weight: 700;
 }
 
 dd {
@@ -161,6 +168,7 @@ pre {
   margin-top: 0;
   margin-bottom: 1rem;
   overflow: auto;
+  -ms-overflow-style: scrollbar;
 }
 
 figure {
@@ -180,13 +188,13 @@ a,
 area,
 button,
 [role="button"],
-input,
+input:not([type="range"]),
 label,
 select,
 summary,
 textarea {
   -ms-touch-action: manipulation;
-      touch-action: manipulation;
+  touch-action: manipulation;
 }
 
 table {
@@ -202,7 +210,7 @@ caption {
 }
 
 th {
-  text-align: left;
+  text-align: inherit;
 }
 
 label {
@@ -210,6 +218,10 @@ label {
   margin-bottom: .5rem;
 }
 
+button {
+  border-radius: 0;
+}
+
 button:focus {
   outline: 1px dotted;
   outline: 5px auto -webkit-focus-ring-color;
@@ -318,6 +330,7 @@ output {
 
 summary {
   display: list-item;
+  cursor: pointer;
 }
 
 template {