body{
    background-image: url(https://www.myfreetextures.com/wp-content/uploads/2014/10/IGP5374.jpg);
    background-attachment: fixed;
    background-size: cover;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr; 
    grid-template-rows: .2fr 8fr .2fr; /* add rows for our header/footer */
    grid-template-areas: "header header header header" "survey survey survey survey" "footer footer footer footer"
}

header{
    grid-area: header;
    display: flex;
    justify-content: center;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color:rgba(255,255,255,0.75);
    font-weight: bolder;
    margin: 8px;
}

.left1{
    display:flex;
    width: 69%;
    margin: 8px;
    justify-content: center;
    border-style: dotted;
    font-size: larger;
    padding: 7px;
   }
   
   .left1 a:link, a:visited {
    text-decoration: none;
    color: black;
   }
   
   .left1 a:hover, a:active {
     text-decoration: underline;
     color: black;
   }
   
   .left2{
    display:flex;
    width: 69%;
    margin: 8px;
    justify-content: center;
    border-style: dotted;
    font-size: larger;
    padding: 7px;
   }
   
   .left2 a:link, a:visited {
    text-decoration: none;
    color: black;
   }
   
   .left2 a:hover, a:active {
     text-decoration: underline;
     color: black;
   }
   
   .right1{
    display:flex;
    width: 69%;
    margin: 8px;
    justify-content: center;
    border-style: dotted;
    font-size: larger;
    padding: 7px;
   }
   
   .right1 a:link, a:visited {
    text-decoration: none;
    color: black;
   }
   
   .right1 a:hover, a:active {
     text-decoration: underline;
     color: black;
   }
   
   .right2{
    display:flex;
    width: 69%;
    margin: 8px;
    justify-content: center;
    border-style: dotted;
    font-size: larger;
    padding: 7px;
   }
   
   .right2 a:link, a:visited {
    text-decoration: none;
    color: black;
   }
   
   .right2 a:hover, a:active {
     text-decoration: underline;
     color: black;
   }

footer{
    grid-area: footer;
    justify-content: center;
    text-align: center;
    font-family: cursive;
}

#survey {
    grid-area: survey;
    overflow: hidden;
    /* 16:9 aspect ratio */
    padding-top: 0%;
    position: relative;
}

#survey iframe {
   border: 0;
   height: 100%;
   left: 0;
   position: absolute;
   top: 0;
   width: 100%;
}
