* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

html {
    font-size: 62.5%;
}

.main-div {
    width: 100vw;
    height: 100vh;
    display: grid;
    place-items: center;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(https://i.pinimg.com/originals/2a/65/1b/2a651b18cc6d44347b064a04f6464133.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.rule {
    display: grid;
    place-items: center;
    background-color: hsl(206, 92%, 94%);
    width: 60%;
    background-color: aqua;
    padding: 2.5rem 4rem;
    border-radius: 2rem;
    box-shadow: 0 1rem 1rem -.7rem rgba(0, 0, 0, 0.4);
}

.rule h3,
h2,
ul,
button {
    margin-top: 2rem;
}

.rule h2 {
    font-size: 2rem;
    color: deeppink;
}

.rule h2 b {
    font-size: 2.5rem;
    color: rgb(240, 90, 40);
}

.rule h3 {
    font-size: 1.7rem;
}

.rule ul li {
    margin-top: 0.5rem;
    color: red;
    font-size: 1.2rem;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-weight: 400;
}

.rule button {
    padding: 1.5rem;
    outline: none;
    font-size: 1.5rem;
    display: block;
    margin: auto;
    border: none;
    text-transform: uppercase;
    color: green;
    background-color: white;
    margin-top: 2rem;
    border-radius: 1.8rem;
    box-shadow: 0 1rem 1rem -.2rem rgba(0, 0, 0, 0.4);
    cursor: pointer;
    font-weight: 550;
}

.inner-div {
    display: none;
    width: 60%;
    background-color: aqua;
    padding: 2.5rem 4rem;
    border-radius: 1rem;
    box-shadow: 0 1rem 1rem -.7rem rgba(0, 0, 0, 0.4);
}

.inner-div h2 {
    font-size: 2.5rem;
    font-weight: 400;
    margin: 1rem 0 4rem 0;
    color: red;
}

.inner-div li {
    font-size: 1.5rem;
    list-style: none;
    margin-top: 1rem;
    width: auto;
    background-color: linen;
    align-items: center;
    text-align: left;
    border-radius: 1rem;
    color: brown;
    font-weight: 500;
    padding: 1rem;
}

input,label{
    cursor: pointer;
}

#submit,
.btn {
    padding: 1rem;
    outline: none;
    font-size: 1.5rem;
    display: block;
    margin: auto;
    border: none;
    text-transform: uppercase;
    color: beige;
    background-color: blue;
    margin-top: 2rem;
    border-radius: 1.8rem;
    box-shadow: 0 1rem 1rem -.2rem rgba(0, 0, 0, 0.4);
    cursor: pointer;
}

#submit:hover {
    background-color: rgb(135, 135, 228);
}

#showScore {
    background-color: lightgreen;
    margin-top: 3rem;
    padding: 3rem 4rem;
    border-radius: 2rem;
    box-shadow: 0 1rem 1rem -.2rem rgba(0, 0, 0, 0.4);

}

#showScore h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;

}

#showScore h4 {
    font-size: 1rem;
    text-align: center;
    color: black;
    font-weight: 500;
}

#showScore .btn {
    font-size: 1.1rem;
    text-align: center;
    margin-top: 2rem;
    background-color: brown;
    font-weight: 500;
}

#showScore .btn:hover {
    background-color: rgb(224, 102, 102);
}

.scoreArea {
    display: none;
    color: red;
}