@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,300;0,600;1,200&display=swap');

:root {
    --red: #9f353e;
    --black: #000;
    --white: #fff;
    --bs-body-line-height: 2;
    --bs-body-font-family: 'Nunito',
        sans-serif;
}

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

img {
    max-width: 100%;
}

.container {
    padding: 3em;
}

.pb-9 {
    padding-bottom: 3em;
}

h1 {
    font-weight: bold;
    text-align: center;
    background: var(--red);
    color: var(--white);
    font-size: 1.5em;
    padding: 0.5em;
}

h4 {
    font-weight: bold;
    padding: 1em 0;
    text-align: center;
}

article {
    margin-top: 1em;
}

footer {
    border-top: 1px solid var(--bs-gray-400);
    margin-top: 6em;
    text-align: center;
    font-size: smaller;
}

footer::after {
    content: '2022 © Copyright © All Right Reserved by Laboratory for Artificial Intelligence in Design';
}

.video-js .vjs-big-play-button {
    opacity: .8;
    background-color: var(--bs-danger) !important;
    transform: scale(1.5);
}

.video-js:hover .vjs-big-play-button {
    opacity: 1;
}