style.css

body {
    font-family: 'Comic Sans MS', cursive, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f0f8ff;
    color: #333;
}
.lesson-container {
    background-color: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}
.progress-bar {
    background-color: #e0e0e0;
    height: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}
#progress {
    width: 0%;
    height: 100%;
    background-color: #ff6b6b;
    border-radius: 10px;
    transition: width 0.5s;
}
h1, h2 {
    color: #4ecdc4;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}
.mission {
    margin-bottom: 30px;
    border: 2px dashed #ff6b6b;
    padding: 20px;
    border-radius: 15px;
}
button {
    background-color: #ff6b6b;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s;
}
button:hover {
    background-color: #ff8e8e;
    transform: scale(1.05);
}
.quiz {
    margin-top: 20px;
    background-color: #ffeaa7;
    padding: 15px;
    border-radius: 10px;
}
.hidden {
    display: none;
}
.fun-fact {
    background-color: #55efc4;
    border-left: 5px solid #00b894;
    padding: 10px;
    margin-top: 20px;
    border-radius: 0 10px 10px 0;
}