header{
    position: sticky;
    background: #fff;
}

header .right_side nav ul li a {
    color: #000;
}

header .left_side .location a {
    color: #000;
}

header .left_side .user a {
    color: #000;
}

header .left_side .search a{
    color: #000;
    border: 1px solid #a8a8a8;
}