* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    text-shadow: 1px 0px 20px black;
}

.hamburger {
    font-size: 28px;
    background: rgba(0, 0, 0, 0.8);
    border: none;
    color: white;
    cursor: pointer;
    display: block;
    position: absolute;
    top: 14px;
    left: 17px; 
    z-index: 1000;
}

.menu {
    display: none;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.8);
    position: absolute;
    top: 50px;
    left: 15px;
    width: 200px;
    text-align: center;
    padding: 15px 0;
    border-radius: 8px;
}

.menu.show {
    display: flex;
}

.menu a {
    display: block;
    color: white;
    text-decoration: none;
    font-family: "Instrument Sans", sans-serif;
    font-weight: 600;
    padding: 10px;
    transition: background 0.3s;
}

.menu a:hover {
    background: rgba(255, 255, 255, 0.2);
}

#index-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-image: url('../../_assets/images/bg.gif');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

#header {
    font-family: "Source Code Pro", serif;
}

#index-content {
    text-align: center;
    margin: 0;
    padding: 0;
}

    #index-content img {
        display: block;
        margin: 0 auto;
    }

    #index-content form {
        margin-top: 1em;
        /*text-align: center;*/
    }

    #index-content h1, h2, h3, h4, h5, h6 {
        font-optical-sizing: auto;
        font-weight: 700;
        font-style: normal;  
        text-align: center;
        text-align: center;
        margin: 0;
        padding: 0;
    }


#footer {
    text-align: center;
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 5em;
    line-height: 2em;
}