javascript - svg rect doesnt respond with another div fixed with a high z-index -

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i want have rectangles in svg tag show , change opacity on hover. had whole code working, after adding fixed div high z-index, svg no longer worked (the hover effect has worked briefly not consistently know elements still should be).

<style>         .hover_group:hover         {             opacity:1;         }         #projectsvg          {              position: relative;             width: 100%;              vertical-align: middle;              margin: 0;              overflow: hidden;              margin:10px;          }         #projectsvg svg          {              position: relative;              float: left;             top: 0;              left: -199;           } </style> <div class="row" style="background-image: url(../img/home/blue_bk.jpg);">     <div class="col-xs-1 col-sm-0"></div>     <div class="col-xs-10 col-sm-5 col-lg-4">     <figure id="projectsvg">         <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="500 -50 920 1180" preserveaspectratio="xminymin meet" >             //set background image         <image width="1920" height="1080" xlink:href="../img/home/pain_chart3.png">         </image>         <!-- shoulder-->         <g class="hover_group" opacity="0">         <a xlink:href="#">         <rect x="762" y="130.1" opacity="0.2" fill="#ffffff" width="204.6" height="107.8"></rect>         </a>         </g>         <!-- hand-->         <g class="hover_group" opacity="0">         <a xlink:href="#">         <rect x="762" y="300.1" opacity="0.2" fill="#ffffff" width="204.6" height="107.8"></rect>         </a>         </g>         <!-- knee-->         <g class="hover_group" opacity="0">         <a xlink:href="#">         <rect x="862" y="560.1" opacity="0.2" fill="#ffffff" width="180.6" height="80.8"></rect>         </a>         </g>         <!-- elbow-->         <g class="hover_group" opacity="0">         <a xlink:href="#">         <rect x="1132" y="190.1" opacity="0.2" fill="#ffffff" width="204.6" height="107.8"></rect>         </a>         </g>         </svg>     </figure>     </div>      <div class="col-xs-12 col-sm-7 col-lg-8">         <h1>hello</h1>     </div>  </div>

is there way fix bug, or have write code manually?


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