After I Close HTML Fullscreen Video,Page Scrolling To The Top Of Page

<video class="video-fluid" id="video" preload="metadata" poster="thumbnail.png" allowfullscreen frameborder="0" scrolling="no"  controls>

<style>.video-fluid {width: 100%;height: auto;}</style>

This is my code,when I close fullscreen view of this video,page scrolling to the top itself,can you help me ?