.back-button{margin-right:4px}.bottom-row{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;-ms-flex-pack:justify;justify-content:space-between}body{background-color:#f6f6f6}@media only screen and (max-width: 600px){body{background-color:#666}main{background-color:#ffffff}}