refactor: z-index levels

src/components/DrawPDFFields/style.module.scss

@@ -22,7 +22,7 @@
 .drawingRectangle {
   position: absolute;
   outline: 1px solid #01aaad;
-  z-index: 50;
+  z-index: 40;
   background-color: #01aaad4b;
   cursor: pointer;
   display: flex;

src/components/LoadingSpinner/style.module.scss

@@ -7,7 +7,8 @@
   align-items: center;
   justify-content: center;
   background-color: rgba(0, 0, 0, 0.5);
-  z-index: 9999;
+  z-index: 50;
+  -webkit-backdrop-filter: blur(10px);
   backdrop-filter: blur(10px);
 }
 

src/components/MarkFormField/style.module.scss

@@ -15,7 +15,7 @@
   left: 5px;
 
   align-items: center;
-  z-index: 1000;
+  z-index: 40;
 
   button {
     transition: ease 0.2s;

src/components/PDFView/style.module.scss

@@ -6,7 +6,7 @@
 
 .otherUserMarksDisplay {
   position: absolute;
-  z-index: 50;
+  z-index: 40;
   display: flex;
   justify-content: center;
   align-items: center;

src/pages/sign/style.module.scss

@@ -62,7 +62,6 @@
     display: flex;
     justify-content: center;
     align-items: center;
-    //z-index: 200;
   }
 
   .fixedBottomForm input[type='text'] {