/* vietnamese */
@font-face {
    font-family: 'Lexend';
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url(Lexend-VariableFont_wght.ttf);
}

.badge {
    position: fixed;
    top: 0;
    right: -3em;
    height: 4em;
    width: 10em;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: aliceblue;
    transform: rotate(45deg);
    transform-origin: center;
}

.badge img {
    height: 3em;
}

#logo {
    height: 5em;
}

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


body {
    overflow-y: scroll;
    overflow-x: hidden;
    background: linear-gradient(30deg, #404040 0%, #252525 100%);
    font-family: "Roboto Mono", monospace;
    font-optical-sizing: auto;
    color: #dedede;
    width: 100vw;

}

main {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.head {
    margin-top: 5em;
}

h1 {
    font-family: 'Lexend', sans-serif;
    font-size: 2em;
    font-weight: 900;
    color: #ccc;
}

h2 {
    font-size: 1.4em;
    font-weight: 200;
    color: #ccc;
}

.shadow {
    box-shadow: 10px 10px 5px 0px rgba(0, 0, 0, 0.75);
}

#vid-cont {
    margin: 5em 0;
}


video {
    height: 630px;
    width: 630px;
    margin-bottom: -4px;
}

.row {
    display: flex;
    flex-direction: row;
}

.row.center {
    align-items: center;
}

.code {
    background-color: #303030;
    padding: 1em;
    margin: 10em 0;
}

code {
    font-size: 1.1em;
    display: block;
}

code.comment {
    color: #888;
    margin-top: 1em;
}

@media (max-width: 650px) {
    .shadow {
        box-shadow: none;
    }

    .head,
    .code {
        display: none;
    }

    body {
        background: #252525;
        overflow-y: hidden;
        overflow-x: hidden;
    }

    #vid-cont,
    video {
        width: 100vw;
    }
}