squirrel-theme/css/header.css

.header {
    margin: auto;
    width: 100%;
    padding: 1rem;
    display: flex;
    font-size: large;
    overflow: hidden;
    flex-shrink: 0;
    background: white;
    box-shadow: 0px 4px 4px 0px rgba(0,0,0,0.2);
    position: fixed;
    z-index: 999;
    top: 0;
}

.header-container {
    width: 100%;
    max-width: 1152px;
    display: flex;
    margin: auto;
}

.sticky {
    position: fixed;
    top: 0;
}

.logo {
    height: 3.5rem;
}

.small-logo {
    height: 2.5rem;
}

.menu-icon {
    display: none;
    font-size: larger;
}

.header-items {
    margin: auto;
    margin-left: 0px;
    display: flex;
}

.header-item {
    margin-left: 2.5rem
}

.dropdown {
    overflow: hidden;
}

.dropdown .dropbtn { 
    border: none;
    outline: none;
    margin: 0;
}

.dropdown-content {
    display: none;
    position: fixed;
    background-color: #ffffff;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    padding: 0.5rem 1rem;
    display: block;
}

.dropdown-content a:hover {
    background-color: #ddd;
}

.dropdown:hover .dropdown-content {
    display: block;
}

@media screen and (max-width: 600px) {
    .header-container {
        display: block;
    }
    
    .home {
        width: 100vw;
    }
    
    .menu-icon {
        display: block;
        position: fixed;
        top: 30px;
        right: 30px;
    }

    .menu-icon .hide {
        display: none;
    }

    .small-icon {
        top: 20px;
    }

    .header-items {
        display: none;
    }

    .header-items.responsive {
        position: relative;
        float: none;
        display: block;
        text-align: left;
        margin-top: 0.5rem;
    }

    .header-items.responsive .header-item {
        display: block;
        margin-left: 0rem;
        padding-bottom: 0.5rem;
        padding-top: 0.5rem;
    }

    .header-items.responsive .icon {
        position: absolute;
        right: 0;
        top: 0;
    }

    .header-items.responsive .dropdown {
        float: none;
    }
    .header-items.responsive .dropdown-content {
        position: relative;
        box-shadow: none;
    }
    .header-items.responsive .dropdown .dropbtn {
        display: block;
        width: 100vw;
        text-align: left;
    }

}