div#menu {
    text-align: center;
    margin-bottom: 30px;
    padding: 5px 0;
    background-color: rgb(230, 230, 230);
    border: 1px solid rgb(204, 204, 204);
    font-size: 0.85em;
}

div#menu a {
    margin: 7px;
}

form {
  float: right;
}

#contents {
    margin: 0 auto;
    width: 1000px;
}

h1, td, th, input[type=submit] {
    font-family: 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', 'メイリオ', Meiryo, 'ＭＳ Ｐゴシック', sans-serif;
}

h1 {
    height: 30px;
    font-size: 1.2em;
    margin: 0;
    padding-top: 3px;
}

h1 span#list_rows {
    margin-left: 10px;
    font-size: 0.8em;
    font-weight: normal;
}

h1 span#list_rows a {
    margin-right: 5px;
}

table {
    clear: right;
}

table#viewuser {
    margin: 10px 0 30px;
}

table#viewuser thead th a {
    color: rgb(230, 230, 230);
}

code {
    background-color: rgb(240, 240, 240);
    margin: 0 3px;
    padding: 0 5px;
}

div #chart {
  width: 100%;
  text-align:center;
}