@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

body {
    font-family: "Roboto", sans-serif;
    overflow: hidden;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.centered-div {
    text-align: center;
    padding: 20px;
    border-radius: 5px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.move-up {

    transform: translateY(-100vh);
}
.move-down{
    transform: translateY(100vh);
    transition-duration: 0.3s;
}
.hidden{
    display: none;
}