body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
}
  
.testjs-link {
    margin-top: 10px;
    cursor: pointer;
    display: block;
}

button {
    background-color: white;
    color: #1e3c72;
    border: none;
    padding: 10px 20px;
    margin-top: 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #f0f0f0;
}