body{
    background-color: green;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

#dealer-cards img {
    height: 175px;
    width: 125px;
    margin: 1px;
}

#player-cards img {
    height: 175px;
    width: 125px;
    margin: 1px;
}

#hit {
    height: 50px;
    width: 100px;
    font-size: 20px;
}

#stand {
    height: 50px;
    width: 100px;
    font-size: 20px;
}

#play-again {
    height: 50px;
    width: 100px;
    font-size: 20px;
    display: inline-block;
    vertical-align: top;
}

.navbar {
    background-color: darkgreen;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 20px;
}
.rules {
    position: relative;
    display: inline-block;
    cursor: pointer;
}
.rules-content {
    display: none;
    position: absolute;
    background-color: white;
    color: black;
    padding: 10px;
    border-radius: 5px;
    width: 200px;
    top: 30px;
    right: 0;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}
.rules:hover .rules-content {
    display: block;
}