Fixed Bottom to top button in homepage (#759)

* added scroll-top

* added scroll-top

Author: Neilblaze

css/custom.css

@@ -210,3 +210,21 @@ nav{
   display: flex;
   flex-wrap: wrap;
 }
+
+.scroll-top{
+  position: relative;
+  float: right;
+  right: 20px;
+  top: -40px;
+  font-size: 10px;
+  border: none;
+  z-index: 99;
+  outline: none;
+  background-color: rgba(0, 0, 0, 0.4);
+  cursor: pointer;
+  color: white;
+  padding: 10px;
+}
+.scroll-top:hover{
+  background-color: rgba(0, 0, 0, 0.8);
+}

index.html

@@ -1645,7 +1645,7 @@ <h1>Friends and Partners</h1>
 					</div>
 				</div>
 							 <a href="javascript:" id="return-to-top">
- 				<span class="glyphicon glyphicon-chevron-up" style="font-size:20px"></span>
+ 				<span class="glyphicon glyphicon-chevron-up scroll-top" style="font-size:20px"></span>
  			</a>
 			</footer>
 		</div>