.green {
    background-color: greenyellow;
}

.green_gradient {
    background-image: linear-gradient(to bottom right, greenyellow, darkgreen);
}

.green_gradient_reverse {
    background: 
        linear-gradient(to top right, transparent 50%, darkgreen 100%),
        linear-gradient(to top left, white 50%, #59b318 100%);


}