#navbar {
    background-color: #000088;
    border-bottom: 1px solid black;
    width: 100%;
    height: 65px;
    top: 0;
    left: 50px;
    position: fixed;
    z-index: 100;
}
#navbar .navbutton {
    display: inline-block;
    color: white;
    cursor: pointer;
    text-decoration: none;
    padding: 21px;
    font-size: 20px;
}
#navbar .navbutton:hover {
    background-color: #ffffff40;
}
#navbar .navbutton image {
    width: auto;
    height: 60px;
}
#navigator {
    background-color: white;
    border-right: 1px solid black;
    width: 50px;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}
#navigator .button {
    display: block;
    width: 50px;
    height: 50px;
    background-color: transparent;
    border: 0;
    cursor: pointer;
    text-decoration: none;
}
#navigator .button img {
    width: 80%;
    height: 80%;
    margin: auto;
}
#navigator .button.opened_tab {
    border-left: 3.5px solid blue;
}
#navigator_down_div {
    position: absolute;
    bottom: 0;
}