body{
    background-color: darkgrey;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

img {
    width: 100px;
    animation: fade 10s forwards;
}

@keyframes fade {
    from {
        opacity: 0%;
    } to {
        opacity: 100%;
    }
}