@keyframes floatSlowly{0%{transform:translate(0)}50%{transform:translate(20px,10px)}to{transform:translate(0)}}.floating-bg{position:fixed;top:0;left:0;width:100vw;height:100vh;background-image:url(http://getwallpapers.com/wallpaper/full/5/7/b/833873-amazing-simple-desktop-wallpaper-1920x1080.jpg);background-repeat:repeat;background-size:cover;opacity:.3;z-index:-1;animation:floatSlowly 20s ease-in-out infinite;pointer-events:none}