index.css

body {
    margin: 0;
    padding: 0;
}

#map {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100%;
}

#menuBtn {
    position: absolute;
    top: 45px;
    right: 10px;
    background-color: white;
    border: none;
    color: black;
    border: 2px solid black;
    padding: 6px;
    font-size: 14px;
    cursor: pointer;
}

#list {
    display: inline-block;
}

.menu-content {
    display: none;
    position: absolute;
    top: 80px;
    right: 10px;
    background-color: #f1f1f1;
    min-width: 160px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
    text-align: center;
}

.menu-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border: 1px solid black;
    margin: 2px;
}

.show {
    display: block;
}

#pop-up-messsage {
    position: relative;
    margin: 0 auto;
    width: fit-content;
    text-align: center;
    background: #000000b3;
    color: white;
    text-align: center;
}

.error {
    color: red;
}

.hidden {
    display: none;
}

#buildingBtn {
    position: absolute;
    bottom: 122px;
    right: 10px;
    background-color: white;
    border: none;
    color: black;
    border: 2px solid black;
    padding: 6px;
    font-size: 14px;
    cursor: pointer;
}

.coordinates {
    width: 75%;
}