.table { display:table }
.header { display:table-header-group; font-weight:bold; position: sticky; top: 0; background-color: #fff}
.rowGroup { display:table-row-group; }
.row { display:table-row; }
.cell { display:table-cell; width:7%; padding-left: 5px; padding-right:5px; }
.green { background-color:#AFA}
.red { background-color:#FAA}
#author { position:absolute; top:10px; right:164px }
#donate { position:absolute; top:10px; right:10px } 
.inputh3 { text-align:center }
.input { font-size:small }
.output { font-size:small }
#controls {
    border: 2px dashed;
    border-color: green;
    padding: 5px;
    display: inline-block;
}
#sells { font-family: monospace }
#profits { 
    display: none;
    font-family: monospace; 
    border: 2px dashed;
    padding: 5px;
    border-color: red;
}