header{
    width: 100%;
    height: 101px;
    left: 0;
    top: 0px;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
}

header a img{
    display: block;
}

@media screen and (min-width: 2500px){
    header{
        height: 202px;     
    }

    header a img{
        width: 452px;
    }
}