.container {
    position: relative;
    width: 800px;
    height: 840px;
    top: 120px;
    margin: auto;
    font-family: Arial;
    font-size: 16px;
}

.horizontal {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    width: 100%;
}

.horizontal li {
    flex: 1;
}

a.menu_knowthyself,
a.menu_knowthyself_pressed {
    display: block;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    text-decoration: none;
    color: white;
    padding: 0.2em 0.6em;
    border-right: 1px solid white;
}

a.menu_knowthyself {
    background-color: #9C0039;
}

a.menu_knowthyself_pressed {
    background-color: rgb(150,150,150);
}

a.menu_knowthyself:hover {
    background-color: rgb(240,0,0);
}