:root{
    --white: #fff;
    --black: #000;
    --background-nav-color: #242424;
    --background-color: #141414;
}

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

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: #f5f5f5;
}

.menu-navbar:hover {
    cursor: pointer;
    color: #012C62;
    text-decoration: underline;
}

header {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.80), rgba(0, 0, 0, 0.60)), url('../images/background.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

header h3 {
    color: #fff;
}

header form {
    width: 25%;
}

.content {
    flex: 1;
}

footer {
    padding: 1rem 0;
    margin-top: 2rem;
}

@media only screen and (max-width: 600px) {
    header form {
        width: 75%;
    }
}