.red-circle {
    background-color: #e74c3c;
    border-radius: 50%;
    border: 2px solid #c0392b;
    box-sizing: border-box;
}
.purple-circle {
    background-color: #ff45ca;
    border-radius: 50%;
    border: 2px solid #ff45ca;
    box-sizing: border-box;
}
.custom-airport-icon {
    background: transparent !important;
    border: none !important;
}