main.css

html, body {
    height: 100%;
    margin: 0px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

#map {
    height: 100%;
}

nav {
    padding: 10px;
    background-color: #0ba1e2;
}

nav ul {
    margin: 0px;
    display: flex;
    justify-content: center;
    align-content: center;
    list-style: none;
    margin: 10px;
}

nav ul li {
    margin-left: 10px;
    float: left;
    border-radius: 20px;
    color: white;    
    padding: 10px;
    cursor: pointer;
}

nav ul li:hover:not(.selected) {
    background-color: rgba(255, 255, 255, 0.3);
}

li.selected {
    border: 2px solid white;
}

.marker {
    width: 2rem;
    height: 2rem;
    display: block;
    left: -1.0rem;
    top: -1.0rem;
    position: relative;
    border-radius: 3rem 3rem 0;
    transform: rotate(45deg);
}
.available {
    background-color: #0ba1e2;
    border: 1px solid #0ba1e2;
}
.unavailable {
    background-color: #53595c;
    border: 1px solid #53595c;
}
.new {
    background-color: #25a133;
    border: 1px solid #25a133;
}
.marker i {
    transform: rotate(-45deg);
    position: relative;
    top: 4px; 
    left: 4px;
    font-size: 1.5rem;
    color: white;
}
.popup-car {
    display: flex;
}
.popup-car img {
    object-fit: contain;
}
.popup-car-details {
    justify-content: center;
    font-size: large;
    display: flex;
    flex-direction: column;    
}