table {
    background-color: #ddf;
    border-collapse: collapse;
}
ht,td {
    border:solid 1px;
    padding: 4px 6px;
}

h1 {
    border-bottom: solid 2px blue;
    border-top: solid 2px blue;
    background-color: #ccf;
    padding-left: 4px;
}

h2 {
    border-bottom: solid 3px blue;
    border-left: solid 5px blue;
    padding-left: 4px;
    background-color: #eef;
}

h3 {
    border-bottom: solid 1px blue;
    background-color: #eef;
}