body {
    height: 98vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    font-size: 4rem;
    font-weight: bold;
}

h3 {
    margin: 0;
}

.primary-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    width: 700px;
    height: 700px;
    border: 2px solid black;
}

.btn-container {
    display: flex;
    justify-content: space-around;
    
}

button.getGrid,
button.clearGrid,
button.resetGrid,
button.setMode {
    height: 100px;
    width: 100px;
    margin: 20px 0;
    font-size: 1rem;
    font-weight: 900;
    border: black solid 3px;
    border-radius: 7px;
}

@media only screen and (max-width: 600px) {
    .primary-container {
        width: 400px;
        height: 400px;
    }
}