A {color:black; font-family:Arial,sans-serif;}
td {color:black; font-family:Arial,sans-serif;}
h1 {color:black; font-family:Arial,sans-serif;font-size:1.15rem;}
h2 {color:black; font-family:Arial,sans-serif;font-size:1.05rem; background:#E0E0E0; line-height:200%}

iframe,.leftimg,.rightimg{max-width:480px;width:100%}
html,body{width:100%;padding:0;margin:0;font-size:1rem;}
*{box-sizing: border-box;}
@media only screen and (max-width: 600px) {
   td {
    font-size: 1.2rem;
   }
   iframe,.leftimg,.rightimg{max-width:480px;width:100%;float:none;}
}