:root {
    --bg-color: #042B35;
    --line-text-color: #c9cd8b;
    --font: Verdana, "sans-serif";
}

body {
    background-color: var(--bg-color);
    color: var(--line-text-color);
    padding-left: 5px;
    padding-right: 5px;
    text-align: center;
    font-family: var(--font);
    font-weight: 100;
}

hr {
    height: 2px;
    background-color: var(--line-text-color);
    border: none;
    margin-top: 15px;
}

#logo {
    width: 70px;
    margin-right: 10px;
    margin-top: 5px;
    display: table-cell;
    float: left;
    border: 2px;
    border-style: solid;
    border-color: var(--line-text-color);
    border-radius: 20px;
}

#menu_buttons {
    display: table-row;
    position: absolute;
    top: 25px;
    right: 15px;
    max-width: 100%;
}

#mobile_menu_buttons {
    display: table-row;
    position: absolute;
    top: 67px;
    right: 35px;
    max-width: 100px;
    visibility: hidden;
}

#mobile_menu_button {
    display: table-row;
    position: absolute;
    top: 25px;
    right: 15px;
    max-width: 100px;
    visibility: hidden;
}

.menu_button {
    min-width: 110px;
    display: table-cell;
    padding: 10px;
    margin-left: 10px;
    background-color: var(--bg-color);
    color: var(--line-text-color);
    border-radius: 10px;
    border-color: var(--line-text-color);
    font-size: 16px;
    font-weight: bold;
    font-family: var(--font);
}

#menu_button_quad {
    min-width: 40px;
    display: table-cell;
    padding: 10px;
    margin-left: 10px;
    background-color: var(--bg-color);
    color: var(--line-text-color);
    border-radius: 10px;
    border-color: var(--line-text-color);
    font-size: 16px;
    font-weight: bold;
    font-family: var(--font);
}

.menu_table {
    display: table-row;
}

#content_iframe {
    width: calc(100% - 5px);
    border: 0;
}

#home_button {
    background: none;
    border: 0;
    color: var(--line-text-color);
    font-weight: bold;
    display: table-cell;
    float: left;
    font-size: 30px;
    padding-top: 26px;
    font-family: var(--font);
}

#daten_button {
    background-color: var(--bg-color);
    color: var(--line-text-color);
    border: 0px;
    font-size: 16px;
    text-decoration: underline;
    font-weight: bold;
    font-family: var(--font);
}

li {
    text-align: left;
}