body{margin: 0; padding: 0;}



.mail-template{max-width: 700px; margin: 0 auto 40px; height: auto; min-height: 400px; }
.mail-template .header-img img{width: 100%;}

.bottom-row{max-width: 1140px; margin: 0 auto 30px; text-align: center;}
.bottom-row .heading{font-size: 18px; font-weight: 600; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;}

.footer{margin: 0 auto 20px;}