html body{background-color:#0000;background-image:linear-gradient(#00000080,#00000080),url(/img/background.jpeg);background-position:50%;background-repeat:no-repeat;background-size:cover;background-attachment:fixed;background-origin:padding-box,padding-box;background-clip:border-box,border-box;height:100%}.navbar{text-align:center;color:#000;width:100%;height:100%}