header.css

* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    background: rgb(55, 55, 153);

}

.horizontal {
    list-style: none;
    padding: 2px 0px;
}

.nav-list {
    display: flex;
    flex-direction: row;
    text-decoration: none;

}

.nav-list a {
    padding: 4px;
    border-right: white solid 1px;
    text-decoration: none;
    color: rgb(238, 228, 228);
}

.nav-list li:last-of-type a {
    border-style: none;
}

.sub-nav {
    display: flex;
    margin-top: 10px;
    gap: 1%;
}

.search-form {
    flex-grow: 1;
    display: flex;
}

.search-form input {
    padding: 1%;
    border: 0px;
    border-bottom: 1px solid black;
    flex-grow: 1;
}

.search-form button {
    padding: 4px;
    background: rgb(55, 55, 153);
    color: white;
    border: none;
}

.company-name {
    display: flex;
    flex-basis: 256px;
    font-size: 2rem;
    color: rgb(55, 55, 153);
    padding: 0px 2%;
    font-weight: 100;
    justify-content: center;

}

.credit-offer {
    padding: 10px;
    align-items: center;
    background: red;
    color: white;
    font-size: 1.0rem;
    margin-right: 2%;
    text-decoration: none;

}

.short-width {
    display: flex;
}

.full-width {
    display: none;
}

@media(min-width: 768px) {
    .short-width {
        display: none;
    }

    .full-width {
        display: flex;
    }
}