Fixed space and arrow

careers.html

 						<li><a data-id="our_partners-section" class="home_link" href="index.html">our partners</a></li>
 						<!-- <li><a href="#team-wrap">our team</a></li> -->
 						<!-- <li><a  data-id ="services-section" class="home_link" href="index.html">services</a></li> -->
-						
+
 						<!--<li><a  data-id ="teams-wrap" class="home_link" href="index.html">teams</a></li>-->
                         
                         <!-- <li><a href="#gallery-wrap">gallery</a></li>
 					<li><a href="#stats-wrap">stats</a></li>
 					<li><a href="#news-wrap">news</a></li> -->
 						<li><a  data-id ="contact-section" class="home_link" href="index.html">contact</a></li>
-						<li  class="active"><a href="careers.html">careers</a><span class="nav-active-mark"></span></li>
+						<li  class="career active"><a href="careers.html">careers</a><span class="nav-active-mark"></span></li>
 						<li><a href="portfolio.html">portfolio</a></li>
 					</ul>
 				</nav><!-- end Navigation -->
 					<li><a href="#news-wrap">news</a></li> -->
 						
 						<li class=""><a data-id ="contact-section" class="home_link" href="#contact-section">contact</a></li>
-						<li class="active" ><a href="careers.html">careers</a><span class="nav-active-mark"></span></li>
+						<li class="career active" ><a href="careers.html">careers</a><span class="nav-active-mark"></span></li>
 						<li ><a href="portfolio.html">portfolio</a>></li>
 					</ul>
 				</nav><!-- end Navigation -->

style.css

     position: relative;
 }
 .services,
-#gallery,
 #events,
 #stats,
 #news,
 #contact {
     padding: 155px 0 85px;
 }
+#gallery 
+{
+    padding-top: 155px;
+}
 #about-section,
 #services-section,
 #events-wrap,
     bottom: -18px;
     left: 43%;
 }
-#navigation ul li.portfolio.active .nav-active-mark  
+.career.active .nav-active-mark
 {
-    bottom: -20px;
+    bottom: -12px!important;
 }
+
+
 /* Mobile Navigation */
 #mobile-navigation { 
     background-color: #000;

styles/custom.css

 {
     opacity: .8;
    
+}
+.contact-section
+{
+    
 }
 .collapse
 {