* {
    font-family: Arial, Helvetica, sans-serif;
}

body {
    padding: 10px 40px 40px 40px;
    margin: 10px 20px 20xp 20px;
}

header {
    display: flex;
    justify-content: space-between;
}

main {
    display: flex;
    text-align: center;
    justify-content: center;
    width: 100%;
}

main > div {
    width: 60%;
}

div h2 {
    padding: 5px;
}

div > p {
    padding: 5px;
}

#button-group {
    padding: 5px;
    display: flex;
    /* flex-flow: column wrap; */
    flex-direction: column;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    margin: 10px;
    width: 60%;
}

.btn:hover {
    background-color: #83AAFF;
    border: 1px solid #83AAFF;
}

.validate {
    display: none;
    font-style: italic;
    color: grey;
    border-top: 2px solid grey;
    margin-top: 40px;
    text-align: left;
    padding-top: 5px;
}

#highscore-list {
    background-color: #83AAFF;
}

#highscores {
    display: none;
}

#highscore-clear {
    display: none;
    text-align: center;
    font-style: italic;
}