<html>
<head>
<style>
      
              div.polaroid {
                width: 25%;
                background-color:rgba(0,0,0,0.7);
                color:#E9E6C7;
                box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
                margin:20px; 
                margin-top: 4px;
                float:left;
              }
              div.polaroid:hover{
                background-color:rgba(0,0,0,0.7);
               
              }
           