Multiple bug fixes (#5699)

* Multiple bug fixes

* Fixing modal on mobile

webapp/sass/layout/_markdown.scss

@@ -51,6 +51,7 @@
 
     .hljs {
         position: relative;
+        visibility: visible;
     }
 }
 
@@ -163,11 +164,11 @@ code {
     }
 
     .hljs {
+        background: #f8f8f8;
+        color: #333;
         display: block;
         overflow-x: auto;
         padding: 0.5em;
-        color: #333;
-        background: #f8f8f8;
     }
 
     .container {
@@ -175,7 +176,7 @@ code {
     }
 
     .links {
-        margin-top: 30px;
         font-size: 1.2em;
+        margin-top: 30px;
     }
 }

webapp/sass/responsive/_mobile.scss

@@ -550,6 +550,13 @@
         }
 
         .modal {
+            .modal--scroll {
+                .modal-body {
+                    max-height: calc(100vh - 62px);
+                    overflow: auto;
+                }
+            }
+
             .nav-pills {
                 > li {
                     &.active {

webapp/sass/routes/_signup.scss

@@ -450,6 +450,7 @@
     .signup-team-dir {
         background: #fafafa;
         border-top: 1px solid #d5d5d5;
+        overflow: hidden;
 
         &:first-child {
             border: none;
@@ -458,7 +459,7 @@
         .icon {
             cursor: pointer;
             float: left;
-            margin: 18px 7px 0 15px;
+            margin: 16px 7px 0 15px;
             opacity: .45;
 
             svg {