body { margin:10px;
padding: 2px;}

img{
    max-width: 100%;
    height: auto;
    width: auto;
}

.topnav a {
    display: inline-block;
    color: #33C;
    text-align: center;
    padding: 10px 12px;
    text-decoration: none;
    font-size: 18px;
    font-family: calibri;

}

.topnav a:hover {
    background-color:#33C;
    color: #ebebeb;
}

.topnav .icon {
    display: none;
}

@media screen and (max-width: 700px){
    .topnav{
        text-align: left;
    }
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      float: right;
      display: block;
    }
    .topnav.responsive {position: relative;}
    .topnav.responsive a.icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      float: none;
      display: block;
      text-align: left;
    }
}