*{font-family:Helvetica,Arial,sans-serif}
table{min-width:50%}
tr:nth-child(even){background:#eee}
td{vertical-align:middle}
td:nth-child(1){text-align:center}
@media only screen and (max-width: 850px),only screen and (max-device-width: 850px) {
table{width:100%;font-size:24px}
td a{display:inline-block;width:100%;padding:16px}
td:nth-child(2){font-size:40px}
td img{height:50px}
}