Add img-fluid style back

Author: Universal-Omega

css/style.css

@@ -53,8 +53,6 @@
     }
 }
 
-/*** Spinner ***/
-
 .back-to-top {
     position: fixed;
     display: none;
@@ -345,6 +343,11 @@ h5, .h5 {
     z-index: 9;
 }
 
+.img-fluid {
+	max-width: 100%;
+	height: auto;
+}
+
 /*** Section Title ***/
 .section-title {
     position: relative;