header {
    position: fixed;
    top: 0px;
    left: 0px;
    background-color: #F56A57;
    color: white;
    width: 100%;
    height: 450px;
    transition: all 0.3s;
    z-index: 1000;
}

header.hidden {
    transform: translateY(-450px);
}

header nav {
    margin: 5%;
    width: 90%;
    height: 90%;
}

header h1 {
    font-size: 96px;
    font-weight: 400;
}

header a {
    color: white;
    text-decoration: none;
    font-size: 2em;
    font-weight: 300;
    background-color: #F56A57;
    transition: all 0.3s ease-in-out;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0);
    border-radius: 15px;
    display: inline-block;
    padding: 10px 20px;
}

header a:hover {
    color: white !important;
    background-color: #ee897b;
    transform: scale(1.1);
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.4);
}

header a.active {
    font-weight: bold;
    text-decoration: underline;
}

header nav ul li {
    margin-top: 24px;
    list-style: none;
}

#menu_tab {
    cursor: pointer;
    all: unset;
    position: absolute;
    bottom: -70px;
    right: -6px;

    height: 70px;
    width: 130px;
    background-image: url("../images/menu_tab_mobile.svg");
    background-size: cover;
    background-position: center;
}

#menu_tab img { 
    width: 100%;
    height: 100%;
}

@media (min-width: 576px)
{
    header {
        width: 400px;
        height: 100%;
    }

    header.hidden {
        transform: translateX(-400px);
    }

    #menu_tab {
        top: 0px;
        left: 400px;
    
        height: 280px;
        width: 70px;
        background-image: url("../images/menu_tab_tablet.svg");
    }
} 

@media (min-width: 1280px)
{
    header {
        width: 100%;
        height: 150px;
    }

    header.hidden {
        transform: unset !important;
    }

    #menu_tab {
        display: none;
    }

    header h1 {
        display: none;
    }

    header nav {
        margin: 0%;
        width: 100%;
        height: 100%;
    }

    ul {
        margin: 0%;
        width: 100%;
        height: 100%;
    }

    header nav ul {
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
}