[refactor] Moving global styling out of "loader"

css/loader.scss

@@ -1,4 +1,5 @@
 @import "mixins";
+@import "reset";
 
 @include keyframes(LOADERSPINNER) {
     0% {
@@ -28,13 +29,6 @@
     }
 }
 
-*, *:before, *:after {
-    margin: 0;
-    padding: 0;
-    box-sizing: border-box;
-    vertical-align: top;
-}
-
 .loaderoverlay {
     $spinnerBoxSize: 200px;
     $themeColor: #6f3;
@@ -100,13 +94,3 @@
         left: 50%;
     }
 }
-
-button[type="button"] {
-    @include transform(translateX(-50%));
-
-    padding: 0.5rem 1rem;
-    position: absolute;
-    z-index: 1;
-    bottom: 10px;
-    left: 50%;
-}