Styled map to match the events more.

Added new fields to sponsors data:
- sponsor_address (full address without sponsor's name with the country code)
- lat (latitude)
- lng (longitude)
Added above new fields to Bloomberg, Touch Surgery and Harvey Nash (will be required for testing logic).

Author: Tomasz-Kluczkowski

_sass/style.scss

@@ -434,6 +434,7 @@ a {
   width: 100%;
   border-radius: 5px;
   border: black 1px solid;
+  box-shadow: rgba(0, 0, 0, 0.76) 5px 5px 5px 0;
 }
 
 .events {

_sponsors/bloomberg.md

@@ -3,6 +3,9 @@ sponsor_id: bloomberg
 sponsor_name: "Bloomberg"
 sponsor_logo: static/images/sponsors/bloomberg.png
 sponsor_link: https://www.bloomberg.com/careers/
+sponsor_address: "3 Queen Victoria St<br/>London, EC4N 4TQ, UK"
+lat: 51.520363
+lng: -0.086270
 permanent: true
 ---
 Bloomberg L.P. provides financial software tools such as an analytics and equity trading platform, data services, and news to financial companies and organizations through the Bloomberg Terminal (via its Bloomberg Professional Service), its core revenue-generating product.

_sponsors/harvey_nash.md

@@ -3,6 +3,9 @@ sponsor_id: harvey_nash
 sponsor_name: "Harvey Nash"
 sponsor_logo: static/images/sponsors/harvey_nash.png
 sponsor_link: https://www.linkedin.com/in/hamishpitkeathly/
+sponsor_address: "110 Bishopsgate,<br>London, EC2N 4AY, UK"
+lat: 51.5162822
+lng: -0.0809643
 permanent: true
 ---
 Harvey Nash specialise in professional recruitment.

_sponsors/touch_surgery.md

@@ -3,6 +3,9 @@ sponsor_id: touch_surgery
 sponsor_name: "Touch Surgery"
 sponsor_logo: static/images/sponsors/touch_surgery.png
 sponsor_link: https://www.touchsurgery.com/jobs.html
+sponsor_address: "230 City Road<br/>London, EC1V 2QY, UK"
+lat: 51.528401
+lng: -0.093104
 permanent: true
 ---
  The Touch Surgery platform is an interactive surgical simulator for healthcare professionals; providing a realistic and detailed guide to every step of a procedure. Users can quickly learn surgery, instantly test their knowledge, and rehearse for surgery.

index.html

@@ -434,7 +434,6 @@ <h2 class="chapters__title">Chapters</h2>
                         </div>
                         <div class="chapters__content row">
                             <div class="col-12 my-auto">
-
                                 <div id="chapters__map"></div>
                                 <script>
                                   function initMap() {