* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* ---------- HEADER ---------- */
header {
    background-color: gold;
    color: black;
    text-align: center;
    padding: 20px;
    border: 4px solid grey;
}

header h1 {
    margin-bottom: 8px;
}

header p {
    margin-bottom: 10px;
}

/* ---------- BACK BUTTON ---------- */
#go-back {
    height: 45px;
    padding: 8px 15px;
    font-weight: bold;
    border: 2px solid blue;
    background-color: aquamarine;
    color: black;
    border-radius: 6px;
    position: fixed;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

#go-back:hover {
    background-color: #7fffd4;
}

/* ---------- HIRAGANA & KATAKANA ---------- */
.hiragana,
.katakana {
    text-align: center;
    padding: 20px;
    border: 3px solid black;
}

.hiragana {
    background-color: lightblue;
}

.katakana {
    background-color: lightgreen;
}

.hiragana img,
.katakana img {
    max-width: 90%;
    height: auto;
    margin-top: 15px;
    border: 2px solid black;
}

/* ---------- INFO BOXES ---------- */
#hiragana-info,
#katakana-info {
    margin: 15px auto;
    padding: 15px;
    max-width: 800px;
    border: 2px solid gray;
    border-radius: 6px;
    background-color: white;
}

/* ---------- PRACTICE RESOURCES ---------- */
.practice-resources,
.kanji-practice-resources {
    background-color: lightyellow;
    text-align: center;
    padding: 20px;
    border: 3px solid black;
}

#book,
#writing {
    display: inline-block;
    margin: 10px;
    padding: 12px 22px;
    font-family: Georgia, 'Times New Roman', Times, serif;
    border: 2px solid blue;
    background-color: orange;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
}

#book:hover,
#writing:hover {
    background-color: darkorange;
}

/* ---------- KANJI PAGE ---------- */
body.kanji {
    background-color: floralwhite;
}

.kanji-overview {
    min-height: 600px;
    padding: 20px;
    background-image: url("nihongologo.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.kanji-introduction {
    max-width: 800px;
    margin: 10px;
    padding: 15px;
    border: 2px solid black;
    background-color: lightgrey;
}

.kanji-examples {
    max-width: 500px;
    margin: 10px;
    padding: 10px;
    border: 2px solid black;
    background-color: lightpink;
    text-align: left;
}

.kanji-examples ul {
    margin-left: 20px;
}