html {
    background: url(https://almdesk.com/fileadmin/templates/img/Background_01_winter.jpg?d=20171130);
    background-size: cover;
    font: 15px Arial,Helvetica,sans-serif;
}
* {
    box-sizing: border-box;
}
a, a:hover, a:visited, a:active {
    text-decoration:none
}
img {
    max-width:100%;
}
.brand {
    padding: 2em;
    max-width:50%;
}

.main-con {
    padding:1em;
}
h1 {
    margin-top: 0;
    color: white;
    font-size: 2em;
    font-weight: normal;
    text-align: center;
}
.overlay {
    width: 99%;
    background-color: white;
    background: #ffffffc2;
    padding: 2em;
    border-radius: 6px;
    text-align: center;
    margin: 0 auto;
    color:black!important;
    line-height: 1.4em;
}
p {
    margin:.5em 0;
}