html {
    margin: 0, auto;
}

body {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-image: url(../images/email-pattern.png);
}

header {
    font-family: 'Georgia' Times, 'Times New Roman', serif;
    width: 100%;
    text-align: center;
    margin-top: 20px;
    font-size: 24px;
}

.container {
    width: 960px;
    height: 375px;
    margin: 0 auto;
    margin-top: 20px;
    background-color: #ffffff;
    border: 1px solid #dddddd;
}

h1 {
    text-align: center;
    padding: 8px;
    margin-top: 50px;
    font-size: 30px;
    font-weight: bold;
}

h5 {
    text-align: center;
    padding: 8px;
    margin-top: 20px;
}

.result {
    margin-left: 75px; 
    font-size: 18px; 
    font-weight: bold;
}

.high-score {
    text-align: center;
    margin: 20px, 0;
}

#start-quiz {
    margin-top: 30px;
    margin-bottom: 15px;
    border-radius: 12px;
    font-size: 24px;
    background-color: rgb(77, 1, 77);
    color: white;
    text-align: center;
    width: 100%;
}

.remove {
    display: none;
}

.card {
    margin: 0 auto;
    text-align: center;
    border: 1px solid white;
}

.start-over {
    background-color: rgb(77, 1, 77);
    color: white;
    text-align: center;
    width: 100%;
    border-radius: 12px;
}

.clear {
    background-color: rgb(77, 1, 77);
    color: white;
    text-align: center;
    width: 100%;
    border-radius: 12px;
}

.users {
    margin: 0 auto;
    margin-bottom: 15px;
    border: 1px solid lightgrey;
    width: 25%;
    border-radius: 12px;
}

footer {
    background-color: #666666;
    font-family: 'Arial', 'Helvetica Neue', Helvetica, sans-serif;
    font-size: 12px;
    text-align: center;
    color: white;
    height: 40px;
    width: 100%;
    border-top: 8px solid rgb(77, 1, 77);
    flex-shrink: 0;
    position: fixed;
    left: 0;
    bottom: 0;
}