CSS右列垂直堆叠未显示

Question

CSS右侧列内容与图像垂直堆叠。 CSS没有显示右侧列

#stack {
    float:right;
    clear:right;

#rightcolumnTop {
    background-image: "../../images/project-header.jpg"
    margin-top: 0px; 
    width: 600px;
    margin-left: -600px;
    float: left;
    z-index:1;
}

#rightcolumnMiddle {
    background-image: "../../images/wines-header.jpg"
    position:absolute;
    width: 600px;
    margin-left: -600px;
    float: left;
    z-index:2;
}

JSFiddle链接：https://jsfiddle.net/y08uw36v/

Answer 1

将颜色改为深色，你有#fff

body {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 13px;
color:#333  <----

}