@media (min-width:800px) {
p { font-size:140% }
}

@media (width:1000px) {
p { font-size:200% }
}

@media print{
  leftsidebar {display:none; }
  blckwht { filter:grayscale(100%); }
}

@media screen and (min-width: 480px) {
    leftsidebar {width: 200px; float: left;}
    main {margin-left: 216px;}
}

.blckwht{
  height:200px;
  float:left;
}