body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f7f7f7;
}

.veri {
    width: 200px;
    border-radius: 4px;
    height: 30px;
    border: 2px solid;
    border-color: #e1e1e1;
}

.verigirisi {
    width: 200px;
    border-radius: 4px;
    height: 30px;
    border: 2px solid;
    border-color: #e1e1e1;
}

.yanit {
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fff;
}

.container {
    border: 1px solid #ccc;
    padding: 20px;
    max-width: 500px;
    width: 100%;
    background-color: #fff;
}

h1 {
    text-align: center;
}

label {
    display: block;
    margin-bottom: 5px;
}

input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    cursor: pointer;
}

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

#output {
    margin-top: 20px;
    white-space: pre-line;
}