body[contenteditable]{
max-width: 750px;
}
body[contenteditable] table{
    width: 100%;
    border-spacing: 15px;
}
body[contenteditable] {
    font: 12px/18px "Verdana", sans-serif;
}

body[contenteditable] table td {
    height: auto;
    vertical-align: top;
}