.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: var(--color__tr);
    z-index: 99;
}
.header .container {
    display: grid;
    grid-template-columns: 100px 1fr 100px;
    align-items: center;
    justify-items: center;
}
.header img {
    filter: invert(1) brightness(100);
}