@media print{
    @page{

        @top-left{
            content: "TEST";
        }
    }
}

body{
    margin: 10mm;
    background-color: white;
}
h1{
    width: 100%;
    text-align: center;
}
.post{
    float: left;
    margin: 1.5em 0.75em;
}
.post p.message{
    font-size: 12pt;
    line-height: 1.5;
    width: 100%;
    max-width: none;
}
.post p.message img{
    max-width: 50mm;
    transform: rotate(5deg);
}
p.key,
hr,
span,
h1 {
    display: none;
}