fix incorrect max-width media queries

app/assets/stylesheets/framework/calendar.scss

@@ -2,7 +2,7 @@
   padding-left: 0;
   padding-right: 0;
 
-  @media (min-width: $screen-sm-min) and (max-width: $screen-lg-min) {
+  @media (min-width: $screen-sm-min) and (max-width: $screen-md-max) {
     overflow-x: scroll;
   }
 }

app/assets/stylesheets/framework/flash.scss

@@ -38,7 +38,7 @@
   }
 }
 
-@media (max-width: $screen-md-min) {
+@media (max-width: $screen-sm-max) {
   ul.notes {
     .flash-container.timeline-content {
       margin-left: 0;

app/assets/stylesheets/framework/forms.scss

@@ -98,7 +98,7 @@ label {
     }
   }
 
-  @media(max-width: $screen-sm-min) {
+  @media(max-width: $screen-xs-max) {
     padding: 0 $gl-padding;
 
     .control-label,

app/assets/stylesheets/framework/header.scss

@@ -228,7 +228,7 @@ header {
 }
 
 .page-sidebar-pinned.right-sidebar-expanded {
-  @media (max-width: $screen-lg-min) {
+  @media (max-width: $screen-md-max) {
     .header-content .title {
       width: 300px;
     }

app/assets/stylesheets/framework/nav.scss

@@ -123,7 +123,7 @@
     line-height: 28px;
 
     /* Small devices (phones, tablets, 768px and lower) */
-    @media (max-width: $screen-sm-min) {
+    @media (max-width: $screen-xs-max) {
       width: 100%;
     }
   }

app/assets/stylesheets/pages/cycle_analytics.scss

@@ -53,7 +53,7 @@
       border-bottom: none;
       position: relative;
 
-      @media (max-width: $screen-sm-min) {
+      @media (max-width: $screen-xs-max) {
         padding: 6px 0 24px;
       }
     }
@@ -61,7 +61,7 @@
     .column {
       text-align: center;
 
-      @media (max-width: $screen-sm-min) {
+      @media (max-width: $screen-xs-max) {
         padding: 15px 0;
       }
 
@@ -78,7 +78,7 @@
       }
 
       &:last-child {
-        @media (max-width: $screen-sm-min) {
+        @media (max-width: $screen-xs-max) {
           text-align: center;
         }
       }
@@ -156,7 +156,7 @@
     }
 
     .inner-content {
-      @media (max-width: $screen-sm-min) {
+      @media (max-width: $screen-xs-max) {
         padding: 0 28px;
         text-align: center;
       }

app/assets/stylesheets/pages/environments.scss

@@ -8,7 +8,7 @@
   font-size: 34px;
 }
 
-@media (max-width: $screen-sm-min) {
+@media (max-width: $screen-xs-max) {
   .environments-container {
     width: 100%;
     overflow: auto;

app/assets/stylesheets/pages/groups.scss

@@ -49,14 +49,14 @@
   padding: 50px 100px;
   overflow: hidden;
 
-  @media (max-width: $screen-md-min) {
+  @media (max-width: $screen-sm-max) {
     padding: 50px 0;
   }
 
   svg {
     float: right;
 
-    @media (max-width: $screen-md-min) {
+    @media (max-width: $screen-sm-max) {
       float: none;
       display: block;
       width: 250px;
@@ -71,7 +71,7 @@
     width: 460px;
     margin-top: 120px;
 
-    @media (max-width: $screen-md-min) {
+    @media (max-width: $screen-sm-max) {
       float: none;
       margin-top: 60px;
       width: auto;

app/assets/stylesheets/pages/milestone.scss

@@ -123,7 +123,7 @@
   padding: 20px 0;
 }
 
-@media (max-width: $screen-sm-min) {
+@media (max-width: $screen-xs-max) {
   .milestone-actions {
     @include clearfix();
     padding-top: $gl-vert-padding;

app/assets/stylesheets/pages/note_form.scss

@@ -111,7 +111,7 @@
   text-align: center;
   font-size: 13px;
 
-  @media (max-width: $screen-md-min) {
+  @media (max-width: $screen-sm-max) {
     // On smaller devices the warning becomes the fourth item in the list,
     // rather than centering, and grows to span the full width of the
     // comment area.

app/assets/stylesheets/pages/notes.scss

@@ -253,7 +253,7 @@ ul.notes {
 }
 
 .page-sidebar-pinned.right-sidebar-expanded {
-  @media (max-width: $screen-lg-min) {
+  @media (max-width: $screen-md-max) {
     .note-header {
       .note-headline-light {
         display: block;

app/assets/stylesheets/pages/profile.scss

@@ -180,7 +180,7 @@
   .modal-dialog {
     width: 380px;
 
-    @media (max-width: $screen-sm-min) {
+    @media (max-width: $screen-xs-max) {
       width: auto;
     }
 

app/assets/stylesheets/pages/projects.scss

@@ -189,7 +189,7 @@
   }
 
   .download-button {
-    @media (max-width: $screen-lg-min) {
+    @media (max-width: $screen-md-max) {
       margin-left: 0;
     }
   }

app/assets/stylesheets/pages/stat_graph.scss

@@ -37,7 +37,7 @@
     @include make-md-column(6);
     margin-top: 10px;
 
-    @media (max-width: $screen-sm-min) {
+    @media (max-width: $screen-xs-max) {
       width: 100%;
     }
   }