.header{
    margin: 0px;
    padding-bottom: 5px;
    background-color: white;
    text-align: center;
    transition: filter 0.5s ease;
    position: relative;

    .eye{
        margin-top: 10px;
        height: 50px;
    }

    .pupil{
        width: 80px;
        height: 50px;
        filter: invert();

        position: absolute;
        left: 50%;
        top: 55%;
    }

    &:hover{
        filter: invert();
    }
}