style.css

@import url('https://fonts.googleapis.com/css2?family=Inter&display=swap');

body {
    font-family: 'Inter', sans-serif;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 2em;
    margin-bottom: 2em;
}

h1 {
    font-weight: bold;
    font-size: x-large;
    margin-bottom: 20px;
}

.links {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

form {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

#so-link {
    margin-left: 5px;
    margin-right: 5px;
}

.point {
    height: 5px;
    width: 5px;
    background-color: black;
    border-radius: 50%;
    margin-left: 5px;
    margin-right: 5px;
}

.go {
    background-color: #dfd2b1;
    color: black;
    right: 20px;
    bottom: 20px;
    border: none;
    width: 130px;
    height: 40px;
    line-height: 42px;
    cursor: pointer;
}

.wrapper {
    width: 99vw;
    height: 100vh;
    background-color: whitesmoke;
    display: grid;
    grid-template-columns: repeat(var(--columns), 1fr);
    grid-template-rows: repeat(var(--rows), 1fr);
}

.tile {
    outline: solid 1px lightgrey;
}

.blue {
    background-color: blue;
}