fix: header color issues

Author: MarielaTihova

src/app/views/home/home.component.scss

@@ -164,6 +164,7 @@ $custom-icon-button-theme: icon-button-theme(
   height: 90px;
   padding: 20px 24px;
   border: 1px solid #d6d6d6;
+  color: black;
 
   .sample-info {
     height: 58px;
@@ -223,7 +224,7 @@ $custom-icon-button-theme: icon-button-theme(
   height: 100vh;
   overflow: auto;
   display: block;
-  background: var(--ig-surface-500, white);
+  background: white;
   color: var(--ig-gray-900, black);
 }
 
@@ -232,7 +233,6 @@ $custom-icon-button-theme: icon-button-theme(
   height: 100vh;
   overflow: auto;
   background: white;
-  background: var(--ig-surface-500, white);
   color: var(--ig-gray-900, black);
 }