* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
 
body {
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #392092 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
 
.container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 400px;
}
 
h1 {
    color: #333;
    margin-bottom: 30px;
    font-size: 24px;
}
 
#toggleBtn , #toggleBtn2 , #toggleBtn3 {
    background-color: #431fa5;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 30px;
    transition: background-color 0.3s ease;
}
 
#toggleBtn:hover {
    background-color: #764ba2;
}

#toggleBtn2:hover {
    background-color: #764ba2;
}

#toggleBtn3:hover {
    background-color: #764ba2;
}
 
#box , #box2 , #box3 {
    background-color: #f0f0f0;
    padding: 30px;
    border-radius: 5px;
    color: #333;
    font-size: 18px;
    display: none;
}
 
.info {
    background-color: #e7f3ff;
    border-left: 4px solid #2196F3;
    padding: 15px;
    margin-top: 30px;
    text-align: left;
    font-size: 12px;
    border-radius: 3px;
}
 
.info strong {
    color: #2196F3;
}