body {
    font-family: Arial;
    text-align: center;
    margin-top: 250px;
}

.top-left {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 220px;
    border-radius: 15px;
    border: 4px solid black;
}

.top-right {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 220px;
    border-radius: 15px;
    border: 4px solid black;
}

.bottom-left {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 220px;
    border-radius: 15px;
    border: 4px solid black;
}

.bottom-right {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 220px;
    border-radius: 15px;
    border: 4px solid black;
}

form {
    padding: 20px;
}

input {
    width: 300px;
    padding: 10px;
}

button {
    padding: 10px 20px;
}