* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

header {
    background-color: #fff;
    padding: 20px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    display: flex;
    align-items: center;
    height: 60px;
}

header h1 {
    margin: 0;
}

header h1 a {
    text-decoration: none;
    color: #333;
    height: auto;
    display: flex;
    align-items: center;
}

header h1 img {
    height: 40px;
    vertical-align: middle;
}


@media (max-width: 480px) {
    header h1 {
        text-align: center; 
        margin: 0 auto;
    }
}

main {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    overflow: auto;
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
}

.login-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    text-align: center;
}

footer {
    background-color: #f8f8f8;
    text-align: center;
    padding: 10px 0;
    border-top: 1px solid #ddd;
}

input{  
    font-size: 16px;
}

button{
    font-size: 16px;
}

.result-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 400px;
    text-align: center;
    margin: auto 0;
}

.top-button {
    background-color: #4CAF50;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
}

.top-button:hover {
    background-color: #45a049;
}