body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 400px;
}

h1, h2 {
    text-align: center;
}

.account-ids, .block-ip {
    margin-bottom: 20px;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#accountsList {
    margin-top: 10px;
    max-height: 150px;
    overflow-y: auto;
}

#accountsList div {
    padding: 5px;
    border-bottom: 1px solid #ccc;
}

form {
    display: flex;
    flex-direction: column;
}

label, input {
    margin-bottom: 10px;
}