body, html{
    height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
}
#map {
    height: 100%;
    z-index: 0;
}

#help-btn{
    z-index: 1;
    position: absolute;
    top: 1%;
    right: 1%;
    border-radius: 4px;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 4px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
#help-btn:hover{
    background-color: gainsboro;
    color: black;
}


/*
help menu
*/

#help-menu{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    display: none;
    position: absolute;
    top: 5%;
    right: 1%;
    z-index: 1;
    background-color: white;
    border-radius: 10px;
    padding: 10px;
    margin: 10px;
    box-shadow: 0 0 10px 0 rgba(0,0,0,0.2);
}

#close-help{
    position: absolute;
    top: 0;
    right: 0;
    font-size: 20px;
    width: 35px;
    height: 35px;
    margin: 5px;
    cursor: pointer;
}