html, body {margin: 0px; padding: 0px; font-family: Arial, Verdana, Tahoma; font-size: 12px; color: #555;}

.mainLogo {width: 100%; height: 75vh; margin-top: 50px; background-image: url('/images/logo.png'); background-position: center; background-size: contain; background-repeat: no-repeat;}