fixed custom checkbox padding

build/scss/_bootstrap-variables.scss

@@ -447,7 +447,7 @@ $input-group-addon-color:               $input-color !default;
 $input-group-addon-bg:                  $gray-200 !default;
 $input-group-addon-border-color:        $input-border-color !default;
 
-$custom-control-gutter:                 1.5rem !default;
+$custom-control-gutter:                 .5rem !default;
 $custom-control-spacer-x:               1rem !default;
 
 $custom-control-indicator-size:         1rem !default;

dist/css/adminlte.css

@@ -3638,7 +3638,7 @@ input[type="button"].btn-block {
   position: relative;
   display: block;
   min-height: 1.5rem;
-  padding-left: 2.5rem;
+  padding-left: 1.5rem;
 }
 
 .custom-control-inline {
@@ -3692,7 +3692,7 @@ input[type="button"].btn-block {
 .custom-control-label::before {
   position: absolute;
   top: 0.25rem;
-  left: -2.5rem;
+  left: -1.5rem;
   display: block;
   width: 1rem;
   height: 1rem;
@@ -3706,7 +3706,7 @@ input[type="button"].btn-block {
 .custom-control-label::after {
   position: absolute;
   top: 0.25rem;
-  left: -2.5rem;
+  left: -1.5rem;
   display: block;
   width: 1rem;
   height: 1rem;
@@ -3753,11 +3753,11 @@ input[type="button"].btn-block {
 }
 
 .custom-switch {
-  padding-left: 3.25rem;
+  padding-left: 2.25rem;
 }
 
 .custom-switch .custom-control-label::before {
-  left: -3.25rem;
+  left: -2.25rem;
   width: 1.75rem;
   pointer-events: all;
   border-radius: 0.5rem;
@@ -3765,7 +3765,7 @@ input[type="button"].btn-block {
 
 .custom-switch .custom-control-label::after {
   top: calc(0.25rem + 2px);
-  left: calc(-3.25rem + 2px);
+  left: calc(-2.25rem + 2px);
   width: calc(1rem - 4px);
   height: calc(1rem - 4px);
   background-color: #adb5bd;