header {
    padding: 10px 0;
    background-color: rgb(2, 24, 57);
}

.hea-cen {
    width: var(--all-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    width: var(--logo);
}

menu {
    display: flex;
    column-gap: 20px;
}

menu a {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}

.searchBar {
    width: var(--searchBar);
    display: flex;
}

#search {
    width: calc(100% - var(--button));
    height: var(--button);
    padding-left: 10px;
    border: 1px solid #ccc;
    border-right: 0;
}

#go {
    width: var(--button);
    height: var(--button);
    background-color: rgb(237, 237, 237);
    border: 1px solid #ccc;
    border-left: 0;
}

#go img {
    transform: scale(.7);
    opacity: .8;
}

nav {
    width: var(--all-width);
    margin: 18px auto 0;
    background-image: linear-gradient(90deg, #00398A 0%, #01183A 100%);
    border-radius: 15px;
    padding: 12px;
}

nav ul {
    display: flex;
    column-gap: 10px;
}

nav ul li {
    flex: 1;
    text-align: center;
}

nav a {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}

nav a:hover {
    color: #00C3FF;
}

@media (max-width:799px) {
    menu {
        display: none;
    }

    .hea-cen {
        flex-direction: column;
        row-gap: .2rem;
    }

    .searchBar {
        padding: 0 .1rem;
    }

    nav {
        overflow-x: auto;
    }

    nav ul li {
        min-width: 100px;
    }
}