.btn{-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;border-width:0;font-family:Arial;color:#fff!important;background:#4caf50;padding:10px 5px 10px 5px;text-decoration:none;width:6.5em;cursor:pointer;margin:10px 3px!important}.btn:hover{background:#56c47b}.btn.blue{background-color:#008cba}.btn.blue:hover{background-color:#009cd0}.container{font-size:16px;border-color:#bbb;border-width:1px;border-style:solid;margin:0 auto;background-color:#e0ffeb;max-width:360px;text-align:center}.dform{display:table;margin:0 auto}.dform input[type=text]{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;font-size:22px;margin:0 2px;padding:1px 10px;border:1px solid #bbb;width:6em}.col{display:table-cell;text-align:center}.eqv{font-size:22px;width:1.5em}.hr{border:1px solid Gray}@media screen and (max-width:400px){.dform input[type=text]{font-size:18px}}@media screen and (max-width:320px){.dform input[type=text]{font-size:16px}}