iframe {
        margin: 0px;
        
        position: absolute;
        align-self: center;
         z-index: -1;
      }
p {
        margin-right: 30px;
        margin-left: 500px;
        margin-top: 20px;
        margin-bottom: 30px;
        position: relative;
        z-index: 0;
}
body {
  
  color: red;
  background-color: white;
  /*background-color: rgba(255,255,255,1);*/
  font-size: 22px;
  font-family: "Times New Roman", serif;
}

@media only screen and (max-width: 700px) {
  p {
    color: black;
    margin-left: 0px;
    background-color: rgba(255,255,255,0.6);
  }
}