html {
     scroll-behavior: smooth;
     overflow-x: hidden;
}
 img.navbar-brand.logo {
    max-height: 60px;
}
 nav.navbar {
     position: fixed;
     top: 0;
     width: 100%;
z-index: 77778;
	 
}
 div#Home {
     padding-top: 70px;
}
 div#Example, div#Test {
     padding-top: 90px;
}
 img.pigeon {
     position: fixed;
     right: -800px;
     bottom: -800px;
     opacity: 0;
     transition: all 0.5s ease;
     z-index: 0;
     max-width: 100%;
     overflow: hidden;
}
 .navbar-container:hover img.pigeon {
     right: 0;
     bottom: 0;
     opacity: 1;
	 z-index: 0;
}
	  iframe.yt {
		 aspect-ratio: 16 / 9;
		  z-index: 0;
		  position:relative;
		  top:0;
		  left:0;
		  width:100%;
	  }