remove demo scripts

scss/_variables.scss

@@ -323,10 +323,6 @@ $form-check-input-checked-bg-size: .75rem;
 
 $form-range-track-height: .25rem;
 
-$form-check-input-checked-bg-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='#{$white}' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M4 8.5L6.5 11l6-6'/></svg>") !default;
-$form-check-radio-checked-bg-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='2' fill='#{$white}'/></svg>") !default;
-
-
 $form-feedback-icon-valid: str-replace(url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='" + $green + "' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-check'><polyline points='20 6 9 17 4 12'></polyline></svg>"), "#", "%23") !default;
 $form-feedback-icon-invalid: str-replace(url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='" + $red + "' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-x'><line x1='18' y1='6' x2='6' y2='18'></line><line x1='6' y1='6' x2='18' y2='18'></line></svg>"), "#", "%23") !default;
 

scss/ui/_empty.scss

@@ -1,6 +1,5 @@
 .empty {
   text-align: center;
-  color: $text-muted;
   padding: 3rem;
   height: 100%;
 

scss/ui/_icons.scss

@@ -1,12 +1,17 @@
 .icon {
   font-size: 1em;
-  vertical-align: -.1em;
+  width: 1em;
+  height: 1em;
 
   &:hover {
     text-decoration: none;
   }
 }
 
+.icon-filled {
+  fill: currentColor;
+}
+
 .icon-md {
   font-size: px2rem(20px);
 }

scss/ui/_inputs.scss

@@ -6,9 +6,10 @@ textarea {
 
 .form-label {
   display: block;
-  margin-bottom: .375rem;
+  margin-bottom: .5rem;
   font-size: $h6-font-size;
-  font-weight: 600;
+  font-weight: $headings-font-weight;
+  color: $headings-color
 }
 
 .mb-2 {