main {
    animation-name: fade-up;
    animation-duration: 1s;
    animation-timing-function: ease-out;
    animation-fill-mode: forwards;
    transform: translateY(50px);
}

header .heading {
    animation-name: fade-up;
    animation-duration: 1s;
    animation-timing-function: ease-out;
    animation-fill-mode: forwards;
    transform: translateY(50px);
}

@keyframes fade-up {
    from {
        opacity: 1;
        transform: translateY(50px) scaleX(0.8) scaleY(0.8);
    }

    to {
        opacity: 1;
        transform: translateY(0) scaleX(1) scaleY(1);
    }
}

body {
    margin: 0px;
    font-family: "Open Sans", sans-serif;
    text-align: justify;
}

/* --------------------------------------------------- */

header {
    height: 250px;
    background-image: url("images/background.jpg");
    background-size: 100%;
    background-position: 0%;
    color: #fff;
    padding: 20px 20px;

}

header nav {
    display: flex;
    justify-content: flex-end;
}

header .heading {
    text-align: center;
}

header .heading h1 {
    font-family: "Oswald";
    font-size: 72px;
    font-weight: 400;
    display: inline-block;
    border-bottom: solid 7px #f06449;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin: 0 15px;
}


header nav ul li a {
    color: white;
    padding-bottom: 3px;
    text-decoration: none;
}

header nav a:hover {
    border-bottom: 2px solid white;
}

header nav ul li a.active,
header nav ul li a:visited {
    border-bottom: 2px solid white;
}

/* --------------------------------------------------- */

main {
    margin-top: 50px;
    margin-bottom: 50px;
}

main img {
    border-radius: 7px;
}

#project {
    display: flex;
    justify-content: center;
}

#project h2 {
    width: 550px;
    text-align: center;
    font-family: 'Oswald';
    font-size: 48px;
    font-weight: 400;
}

#project .certificate {
    margin: 25px;
}

#project .description {
    margin: 25px;
}

#project .description a {
    color: #1a1a1a;
}

#project .description ul li {
    font-size: 18px;
    line-height: 40px;
}

/* --------------------------------------------------- */

footer {
    height: 100px;
    background-color: #f4f4f4;
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

footer nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

footer nav li {
    margin: 0 15px;
}