<style>
body:before {
content: "";
display: block;
position: fixed;
left: 0;
top: 0;
width: 100%;
height: 100%;
z-index: -10;
background: url("https://cmsv2-assets.apptegy.net/uploads/11662/file/2546545/00340a28-db72-4a99-a264-ae744c582a45.png") no-repeat center center;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
background-color: #aaaaaa;
background-blend-mode: multiply;
}</p>
</style>
