table.ensayo {
    border: 1px solid #ccc;
    width: 700px;
    margin: 20px auto;
    background:#cccccc;
   
    
    
    }

table.ensayo caption {
    font: bold 1em/1.5em "Trebuchet MS", Tahoma, Arial, sans-serif;
    color: #000000;
    text-align: center;
    margin: 10px auto;
    background-color:White;
    
    }

table.ensayo tbody tr.principal th {
    font: bold .9em/1.5em "Trebuchet MS", Tahoma, Arial, sans-serif;
    color: #fff;
    background: #666666;
    text-align: left;
    padding: 5px;
    border: 0;
    }
    
table.ensayo tbody tr.etapas th {
    font: bold .9em/1.5em "Trebuchet MS", Tahoma, Arial, sans-serif;
    color: #fff;
    background:#cccccc;

    text-align: left;
    padding: 5px;
    border-top: 1px solid #eee;
    }
    
table.ensayo tbody th {
    font: bold .9em/1.5em "Trebuchet MS", Tahoma, Arial, sans-serif;
    color: #DC4503;
    background: #FEFFF1;
    text-align: left;
    padding: 5px;
    border-top: 1px solid #eee;
    }

    
table.ensayo tbody td {
    font: .9em/1.5em "Trebuchet MS", Tahoma, Arial, sans-serif;
    color: #666;
    background: #fff;
    text-align: left;
    padding: 5px;
    border-top: 1px dotted #eee;
    }