* {
    box-sizing: border-box;
    margin: 0;
}
html {
    font-size: 100%;
}
body {
    background-color: #eee;
    font-family: 'Roboto', sans-serif;
    text-align: center;
}
#game {
    width: 25rem;
    margin: 1rem auto;
    background-color: white;
}

header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: salmon;
    color: white;
    padding: 0.25rem;
}
header section {
    justify-self: start;
}
header section:last-child {
    justify-self: end;
}

header label {
    font-weight: 300;
}
header p {
    font-size: 2rem;
    font-weight: 700;
}

main {
    position: relative;
    height: 25rem;
    background-color: lightgreen;
}

#divRegnestykke {
    position: absolute;
    font-weight: 500;
    color: #888;
    background-color: blanchedalmond;
    width: 12rem;
    height: 4rem;
    padding: 1rem;
    font-size: 2rem;
    left: calc(50% - 6rem);
    top: 2rem;
}

footer input {
    width: 100%;
    font-size: 2rem;
    padding: 0.5rem;
    text-align: center;
}
footer input:focus {
    outline: none;
}