h1,h2,h3,h4 {
    clear:both;
  }

  body {
    margin-left: 2em;
  }

  p {
    font-family: Georgia, "Times New Roman", Times, Serif;    
    width: 48em;
    text-align: justify;
    line-height: 1.5em;
    margin-bottom: 1.5em;
  }

  p.contents-line {
    margin-left: 0.5em;
    margin-bottom: 0em;
  }

  p a {
    text-decoration: none;
    color: #00c;
    font-family: Geneva, "MS Sans Serif", Sans-serif;
  }

  p.contents-line a {
    font-family: Georgia, "Times New Roman", Times, Serif;    
    text-decoration: none;
    color: #00c;
  }

  p button {
    margin-left: 0.5em;
  }



  .instruction {
    margin-top: 1em;
  }


  .model_display {
    float: left; 
	width: 45em;
	margin: 1em;
    margin-bottom: 3em;
    padding: 0.5em;
	background-color: #dadadd;
    font-family: Arial, Helvetica, Sans-serif;
    font-family: Geneva, Arial, Helvetica, Sans-serif;
  }
  .model_display hr {
    color:white;
    margin-left: 0em;
    margin-right: 0em;
  }
  .model_title_bar{
    padding-left:0.25em;
    padding-right:0.25em;
    padding-top:0.25em;
    font-weight:bold;
    color:gray;
  }
  .model_title_bar input{
    float: right;
  }
  .layer_display {
    float: left;
	width: 23em;
    height: 25em;
  }
  .layer {
    margin: 0.5em;
  }  
  table.layer {
    border-collapse: separate;
  }
  td {
    padding: 0;
    margin: 0;    
  }
  .cell {
/*	float: left; */
    width: 1.2em;
    height: 1.2em;
    padding: 0;
    margin: 0;
    text-align: center;
    font-size: 80%;
  }
  div.focuscell {
    width: 1.2em;
    height: 1.2em;
    margin: -0.2em;
    padding: 0;
    text-align: center;
    font-size: 80%;
    border: 0.2em #68f solid;
  }
  .menu_display {
    margin: 0%;
    float: left;
    width: 11em;
  }
  .menu {
    margin: 0%;
    float: left;
  }
  .pattern_display {
    width: 10em;
    float: right;
  }
  fieldset {
    margin: 1%;
	padding: 2%;
    font-size: 85%;
  }
  legend {
    margin: 1%;
	color: #666;
  }