a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

a:active {
    text-decoration: none;
}

.header {
    background-color: yellow;
    font-family: 'Arial Black', 'Arial Bold', Gadget, sans-serif;
    font-weight: bold;
    font-size: 5ch;
}

.contents_title {
    background-color: yellow;
    font-family: 'Times New Roman';
    font-weight: bold;
    font-size: 3ch;
}

.contents_body {
    background-color: yellow;
    font-family: 'Times New Roman';
    font-weight: lighter;
    font-size: 3ch;
}

.new_line {
    height: 20px;
}

.new_double_line {
    height: 120px;
}