there is a way to put full screen image or animated gif in the background of the page in an Angularjs app-
Keep
background-size: cover;
}
h1{
font-family: 'Advent Pro', sans-serif;
font-size: 3em;
margin: .2em .5em;
color: rgba(0,0,0, 0.3);
}
body {
height: 100%;
}