.bg-gray-100 {
    background-color: #e9ecef;
}
.bg-gray-200 {
    background-color: #ced4da;
}
.bg-gray-300 {
    background-color: #6c757d;
}
.bg-gray-400 {
    background-color: #343a40;
}
.bg-red-100 {
    background-color: #ff9696;
}
.bg-green-100 {
    background-color: #3bd28e;
}