set independent pane element behind disclaimer view to hold background, refined transform size on shrink

src/sass/views/onboarding/onboard-disclaimer.scss

@@ -1,9 +1,9 @@
 #onboarding-disclaimer {
   color: #fff;
   height: 100%;
-  transition: transform 2s ease;
+  transition: transform 1s ease;
   &.shrink{
-    transform: scale(.5);
+    transform: scale(.98);
   }
   &-container {
     max-width: 450px;
@@ -90,9 +90,6 @@
   bottom: 0;
   width: 100%;
   z-index: 10;
-  &.header-present{
-    bottom: 38px;
-  }
   &-content{
     max-width: 450px;
     @include center-block();
@@ -119,6 +116,11 @@
   .checkbox input:before,
   .checkbox .checkbox-icon:before{
     border-color:$soft-blue;
+    background:#fff;
+  }
+  .checkbox input:after,
+  .checkbox .checkbox-icon:after{
+    border-color:#13e5b6;
   }
   .checkbox input:checked:before,
   .checkbox input:checked + .checkbox-icon:before {

src/sass/views/onboarding/onboarding.scss

@@ -53,6 +53,10 @@
   width: 100%;
 }
 
+.pane-onboarding{
+  background: #0B1E4F;
+}
+
 @import "terms-of-use";
 @import "onboard-welcome";
 @import "onboard-tour";