карточная сетка на grid layout

.container {
    display: grid;
    grid-gap: 2px;
    height: 100vh;
    grid-template-rows: 1fr 1fr;
    padding-bottom: 20px;
    grid-auto-rows: 1fr 2fr;
    grid-template-columns: repeat(auto-fill, minmax(100px, auto));
}

.grid-item {
    background-color: #50ff17;
}