body::after {
    content: url(gif1.gif);
    display: none;
}

body {
    /* background-color: var(--color5); */
    background-image: url(gif1.gif);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: left;
}

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}