jquery - i have added background image using a div -

i have added background image div image not showing up, please me out missing. here code css:

.riseimages {     position: absolute;     top: 0px;     width: 100%;     height: 650px;     overflow: hidden;     z-index: 4;     background-image: url("img\page1\bg shapes.png");     background-repeat: repeat;     background-size: initial;     /*-webkit-animation-name: rise;     -webkit-animation-duration: 18s;     -moz-animation-delay: 18s;     -webkit-animation-delay: 18s;     -webkit-animation-iteration-count: infinite;     -webkit-animation-timing-function: linear;*/ } 

html:

<div class="riseimages toprise"></div> <div class="riseimages bottomrise"></div> 

i not getting desired output, background image not showing up, earlier working fine.

use css:

background-image: url("img/page1/bg shapes.png");