.grid-container {
    display: grid;
    grid-template-columns: auto auto auto;
    background-color: maroon;
    padding: 10px;
}

.grid-item {
    background-color: rgba(25, 25, 25, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.8);
    padding: 20px;
    /*font-size: 30px;*/
    /*text-align: center;*/
}