*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
}

html {
    font-size: 16px;
}

body {
    font-family: "Arial", sans-serif;
    box-sizing: border-box;
    background-color: bisque;
}

header {
    padding: 2rem 0;
    display: flex;
    justify-content: center;
    font-size: 1.5rem;
}

main {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

.game-field {
    width: 1000px;
    height: 100%;
    display: flex;
    flex-flow: row wrap;
    align-items: flex-start;
}

.field-block {
    width: 50px;
    height: 50px;
    border: 1px solid black;
    background-color: rgba(255, 255, 255, 0.35);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
}

.field-block.crown {
    background-color: gold;
}

button {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
    margin-top: 2rem;
    padding: 1rem 5rem;
    border: 0;
    border-radius: 2rem;
    width: 5rem;
    display: flex;
    justify-content: center;
    background-color: olivedrab;
    font-size: 1.25rem;
    cursor: pointer;
}