.container {
    display: flex;
    justify-content: center;
    align-items: center;
}

body {
    margin: 0;
    padding: 0;
    background-color: black;
    font-family: 'Roboto', sans-serif;
    height: 100vh;
}

.maintext {
    font-size: 60px;
    font-weight: bold;
    text-align: center;
    margin-top: 0;
    padding-top: 2%;
    background: linear-gradient(to right, #800000, #FF4500, #006400, #0000FF, #4B0082, #8B00FF);
    background-size: 800% 800%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rainbowBackground 20s ease infinite;
}
@keyframes rainbowBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}