* {
    margin: 0;
    padding: 0;
}

body {
    background-color: rgb(59, 59, 59);
}

h1 ,h2 ,p {
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

.game .kotak p {
    line-height: 100px;
}

h2 span {
    background-color: yellow;
    color: black;
}

.container {
    margin: 30px auto;
}

.game {
    width: 600px;
    border: solid 2px black;
    margin: 30px auto;
    overflow: hidden;
}

.kotak {
    width: 100px;
    height: 100px;
    background-color: red;
    display: inline-block;
    margin: 20px;
    cursor: pointer;
}

.areakotak {
    width: 430px;
    margin: auto;
    box-sizing: border-box;
}

.next {
    text-decoration: none;
    display: none;
}

.level {
    text-align: right;
}

.level span {
    background-color: black;
    padding: 5px;
}

/* Warna Kotak */
.biru {
background-color: blue;
}

/* Display Toggle */
.display {
    display: block;
}

.undisplay {
    display: none;
}

/* Intro */
.intro {
    margin: auto;
    background-color: black;
    padding: 30px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

button {
    display: block;
    margin: auto;
    margin-top: 30px;
    height: 50px;
    width: 100px;
    cursor: pointer;
}

button p {
    color: black;
    font-weight: 600;
}

.intro h1 {
    font-size: 50px;
}

.intro p {
    font-size: 25px;
}

/* Links */
p a {
    text-decoration: none;
    color: salmon;
}

p a:hover {
    text-decoration: none;
    color: rgb(253, 200, 193);
    border-bottom: solid 2px black;
}

/* Back */
.back {
    height: 20px;
    background-color: white;
    color: black;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    margin-left: 20px;
    padding: 10px;
}