@page { margin: 0 }
body { margin: 0 }
.sheet {
  margin: 0;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
  page-break-after: always;
}

/** Sizes **/
body.letter           .sheet { width: 216mm; height: auto }
body.letter.landscape .sheet { width: 280mm; height: 215mm }

/** Padding area **/
.sheet.padding-10mm { padding: 10mm }
.sheet.padding-15mm { padding: 15mm }
.sheet.padding-20mm { padding: 20mm }
.sheet.padding-25mm { padding: 25mm }

/** For screen preview **/
@media screen {
  body { background-color: rgb(83, 86, 89); /*#e0e0e0*/ }
  .sheet {
    background: white;
    box-shadow: 0 .5mm 2mm rgba(0,0,0,.5);
    margin: 5mm auto;
  }
}