Update getaddresshistory.html

getaddresshistory.html

@@ -18,13 +18,21 @@
   height: 100vh;
 }
 
+.spinner-container {
+  position: relative;
+}
+
 .spinner {
+  position: absolute;
+  top: 60%;
+  left: 40%;
+  transform: translate(-50%, -50%);
   border: 4px solid rgba(0, 0, 0, 0.1);
   border-top-color: transparent;
   border-right-color: #7988a3;
   border-bottom-color: transparent;
   border-left-color: #7988a3;
-  animation: spinner 0.1s linear infinite;
+  animation: spinner 0.8s linear infinite;
   height: 50px;
   width: 50px;
   border-radius: 50%;
@@ -35,6 +43,7 @@
     transform: rotate(360deg);
   }
 }
+
     </style>
     <!-- Include Highcharts library -->
     <script src="https://code.highcharts.com/highcharts.js"></script>