diff --git a/Gruntfile.js b/Gruntfile.js
index aaf56e9a..1c35c47c 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -605,10 +605,10 @@ module.exports = function (grunt) {
 
     "autoprefixer:material",
     "autoprefixer:ripples",
-    //"csslint:dist",
+    "csslint:dist",
     "cssmin:material",
     "cssmin:ripples",
-    //"csslint:distmin"
+    "csslint:distmin"
   ]);
 
   grunt.registerTask("dist-js", [
diff --git a/less/.csslintrc b/less/.csslintrc
index 005b8623..b23a45fe 100644
--- a/less/.csslintrc
+++ b/less/.csslintrc
@@ -1,4 +1,6 @@
 {
+  "zero-units": false,
+  "overqualified-elements": false,
   "adjoining-classes": false,
   "box-sizing": false,
   "box-model": false,
@@ -15,5 +17,6 @@
   "text-indent": false,
   "unique-headings": false,
   "universal-selector": false,
-  "unqualified-attributes": false
+  "unqualified-attributes": false,
+  "fallback-colors": false
 }
diff --git a/less/_alerts.less b/less/_alerts.less
index dd7fa7a0..e010b743 100755
--- a/less/_alerts.less
+++ b/less/_alerts.less
@@ -1,5 +1,5 @@
 .alert {
-    border: 0px;
+    border: 0;
     border-radius: 0;
 
     // SASS conversion note: please mirror any content change in _mixins-shared.scss alert-variations-content
diff --git a/less/_checkboxes.less b/less/_checkboxes.less
index 17b1a970..07d2e56f 100644
--- a/less/_checkboxes.less
+++ b/less/_checkboxes.less
@@ -89,7 +89,7 @@
         color: @mdb-checkbox-checked-color;
         box-shadow: 0 0 0 10px,
           10px -10px 0 10px,
-        32px 0px 0 20px,
+        32px 0 0 20px,
         0px 32px 0 20px,
         -5px 5px 0 10px,
           20px -12px 0 11px;
@@ -137,7 +137,7 @@
     box-shadow:
       0 0 0 10px,
       10px -10px 0 10px,
-      32px 0px 0 20px,
+      32px 0 0 20px,
       0px 32px 0 20px,
       -5px 5px 0 10px,
       15px 2px 0 11px;
@@ -146,7 +146,7 @@
     box-shadow:
       0 0 0 10px,
       10px -10px 0 10px,
-      32px 0px 0 20px,
+      32px 0 0 20px,
       0px 32px 0 20px,
       -5px 5px 0 10px,
       20px 2px 0 11px;
@@ -155,7 +155,7 @@
     box-shadow:
       0 0 0 10px,
       10px -10px 0 10px,
-      32px 0px 0 20px,
+      32px 0 0 20px,
       0px 32px 0 20px,
       -5px 5px 0 10px,
       20px -12px 0 11px;
@@ -166,7 +166,7 @@
     box-shadow:
       0 0 0 10px,
       10px -10px 0 10px,
-      32px 0px 0 20px,
+      32px 0 0 20px,
       0px 32px 0 20px,
       -5px 5px 0 10px,
       20px -12px 0 11px,
@@ -177,7 +177,7 @@
     box-shadow:
       0 0 0 10px,
       10px -10px 0 10px,
-      32px 0px 0 20px,
+      32px 0 0 20px,
       0px 32px 0 20px,
       -5px 5px 0 10px,
       20px -12px 0 11px,
@@ -187,12 +187,12 @@
     transform: rotate(45deg);
     margin-top: -4px;
     margin-left: 6px;
-    width: 0px;
-    height: 0px;
+    width: 0;
+    height: 0;
     box-shadow:
       0 0 0 10px,
       10px -10px 0 10px,
-      32px 0px 0 20px,
+      32px 0 0 20px,
       0px 32px 0 20px,
       -5px 5px 0 10px,
       15px 2px 0 11px,
@@ -211,7 +211,7 @@
       0 0 0 0,
       0 0 0 0,
       0 0 0 0,
-      0px 0px 0 10px inset;
+      0px 0 0 10px inset;
   }
   100% {
     transform: rotate(0deg);
@@ -226,7 +226,7 @@
       0 0 0 0,
       0 0 0 0,
       0 0 0 0,
-      0px 0px 0 0px inset;
+      0px 0 0 0 inset;
   }
 }
 @keyframes rippleOn {
diff --git a/less/_dialogs.less b/less/_dialogs.less
index 30680e7b..9c83d6f6 100644
--- a/less/_dialogs.less
+++ b/less/_dialogs.less
@@ -12,7 +12,7 @@
     border-bottom: none;
     padding-top:    24px;
     padding-right:  24px;
-    padding-bottom: 0px;
+    padding-bottom: 0;
     padding-left:   24px;
   }
   // Modal body
diff --git a/less/_form.less b/less/_form.less
index d6e83c2a..bf5e9fdc 100644
--- a/less/_form.less
+++ b/less/_form.less
@@ -5,7 +5,7 @@
   .checkbox,
   .radio-inline,
   .checkbox-inline {
-    padding-top: 0px;
+    padding-top: 0;
   }
 
   .radio {
diff --git a/less/_inputs-size.less b/less/_inputs-size.less
index 93546703..63d65949 100644
--- a/less/_inputs-size.less
+++ b/less/_inputs-size.less
@@ -117,7 +117,7 @@ output {
 // The `.form-group-* form-control` variations are sadly duplicated to avoid the
 // issue documented in https://github.com/twbs/bootstrap/issues/15074.
 .input-sm {
-  .input-size('.input-sm', @mdb-input-height-small, @mdb-input-padding-small-vertical, @mdb-input-padding-small-horizontal, @mdb-input-font-size-small, @mdb-input-line-height-small, @mdb-input-border-radius-small);
+  .input-size(~".input-sm", @mdb-input-height-small, @mdb-input-padding-small-vertical, @mdb-input-padding-small-horizontal, @mdb-input-font-size-small, @mdb-input-line-height-small, @mdb-input-border-radius-small);
 }
 .form-group-sm {
   .form-control {
@@ -144,7 +144,7 @@ output {
 }
 
 .input-lg {
-  .input-size('.input-lg', @mdb-input-height-large, @mdb-input-padding-large-vertical, @mdb-input-padding-large-horizontal, @mdb-input-font-size-large, @mdb-input-line-height-large, @mdb-input-border-radius-large);
+  .input-size(~".input-lg", @mdb-input-height-large, @mdb-input-padding-large-vertical, @mdb-input-padding-large-horizontal, @mdb-input-font-size-large, @mdb-input-line-height-large, @mdb-input-border-radius-large);
 }
 .form-group-lg {
   .form-control {
diff --git a/less/_inputs.less b/less/_inputs.less
index cbc08a25..675e1c52 100644
--- a/less/_inputs.less
+++ b/less/_inputs.less
@@ -50,7 +50,7 @@
   }
 
   .help-block {
-    margin-top: 0px; // allow the input margin to set-off the top of the help-block
+    margin-top: 0; // allow the input margin to set-off the top of the help-block
     font-size: @help-block-font-size;
   }
 }
diff --git a/less/_lists.less b/less/_lists.less
index 1eeabc8f..52dc0d04 100644
--- a/less/_lists.less
+++ b/less/_lists.less
@@ -13,7 +13,7 @@
       }
     }
     .row-picture, .row-action-primary {
-      float: left;
+      //float: left; WARNING: float can't be used with display: inline-block. Certain properties shouldn't be used with certain display property values. (display-property-grouping) Browsers: All
       display: inline-block;
       padding-right: 16px;
       img, i, label {
@@ -66,7 +66,7 @@
       .least-content {
         position: absolute;
         right: 16px;
-        top: 0px;
+        top: 0;
         color: rgba(0,0,0,0.54);
         font-size: 14px;
       }
diff --git a/less/_variables.less b/less/_variables.less
index 83f9174d..33c3b1d7 100644
--- a/less/_variables.less
+++ b/less/_variables.less
@@ -74,22 +74,22 @@
 
 //## Define common padding and border radius sizes and more. Values based on 14px text and 1.428 line-height (~20px to start).
 @mdb-input-padding-base-vertical:     8px - 1px; // was 6.
-@mdb-input-padding-base-horizontal:   0px; // was 12.
-@mdb-label-as-placeholder-shim-base:  0px; // manual adjustment of label top when positioned as placeholder
+@mdb-input-padding-base-horizontal:   0; // was 12.
+@mdb-label-as-placeholder-shim-base:  0; // manual adjustment of label top when positioned as placeholder
 @mdb-label-top-margin-base:           16px;
 
 @mdb-input-padding-large-vertical:    10px - 1px; // 10
-@mdb-input-padding-large-horizontal:  0px;  // 16
+@mdb-input-padding-large-horizontal:  0;  // 16
 @mdb-label-as-placeholder-shim-large: -4px; // manual adjustment of label top when positioned as placeholder
 @mdb-label-top-margin-large:          16px;
 
 @mdb-input-padding-small-vertical:    4px - 1px; // 5
-@mdb-input-padding-small-horizontal:  0px; // 10
+@mdb-input-padding-small-horizontal:  0; // 10
 @mdb-label-as-placeholder-shim-small: 8px; // manual adjustment of label top when positioned as placeholder
 @mdb-label-top-margin-small:          12px;
 
 @mdb-input-padding-xs-vertical:       2px; // 1
-@mdb-input-padding-xs-horizontal:     0px; // 5
+@mdb-input-padding-xs-horizontal:     0; // 5
 
 @mdb-input-border-radius-base:        0;
 @mdb-input-border-radius-large:       0;
diff --git a/less/plugins/_plugin-nouislider.less b/less/plugins/_plugin-nouislider.less
index 3dcce4c4..c5aee133 100644
--- a/less/plugins/_plugin-nouislider.less
+++ b/less/plugins/_plugin-nouislider.less
@@ -25,9 +25,9 @@
 .noUi-stacking .noUi-handle {
     z-index: 10;
 }
-.noUi-stacking + .noUi-origin {
-    *z-index: -1;
-}
+//.noUi-stacking + .noUi-origin {
+//    *z-index: -1;
+//} WARNING: Property with star prefix found. Checks for the star property hack (targets IE6/7) (star-property-hack) Browsers: All
 .noUi-state-tap .noUi-origin {
     transition: left 0.3s, top 0.3s;
 }
diff --git a/less/plugins/_plugin-selectize.less b/less/plugins/_plugin-selectize.less
index 91f6edf8..c8e84299 100644
--- a/less/plugins/_plugin-selectize.less
+++ b/less/plugins/_plugin-selectize.less
@@ -33,8 +33,8 @@
         }
         input {
             font-size: 14px;
-            outline: 0px;
-            border: 0px;
+            outline: 0;
+            border: 0;
             background: transparent;
         }
         &.label-floating-fix input {