.grid{
    display: grid;
    grid-template-columns: 200px 2fr minmax(100px, 200px) min-content max-content;
    width: 900px;
    border: 5px solid black;
    grid-column-gap:2px;
}

.grid-item{
    font-size: 2em;
}

.grid-item1{
    background-color: blueviolet;
}
.grid-item2{
    background-color: rgb(17, 110, 101);
}
.grid-item3{
    background-color: rgb(189, 226, 43);
}