body {
    margin: 0;
    padding: 0;
    min-height: 100vh; 
    background: rgb(134, 255, 215);
    font-family: sans-serif;
    
    display: flex; 
    justify-content: center; 
    align-items: center; 
}

.main-container {
    max-width: 350px; 
    width: 300px; 
    height: 500.5px; 
    background: rgb(255, 255, 255);
    border-radius: 17px;
    padding: 15px; 
    text-align: center;
    
    margin: 20px auto;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.image-container {
    width: 300px;
    height: 30px;
    padding-top: 90%; 
    background: url('../images/qrcodeenergy3.png') rgb(255, 255, 255) no-repeat center;
    background-size: cover;
    margin: 0 auto 20px auto; 
    border-radius: 15px;
    
}

.text-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 30px;
    padding: 0 10px; 
}

h2 {
    font-size: 1.5em; 
    margin: 0.83em 0 0.5em 0;
    font-weight: bold;
    color: black;
}

p {
    font-size: 1em;
    color: #555;
    margin-bottom: 1em;
}

@media (max-width: 400px) {
    .main-container {
        padding: 10px;
    }
    .text-container h2 {
        font-size: 1.3em;
    }
    .text-container p {
        font-size: 0.9em;
    }
}