@font-face {
    font-family: 'JetBrains';
    src: url(font/JetBrainsMono-Regular.woff2);
}

html {
    scroll-behavior: smooth;
}

* {
    font-family: 'JetBrains';
    margin: 0;
    padding: 0;
}

header {
    display: flex;
    background-color: rgb(107, 169, 133);
    width: 100%;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

header .hamburger-menu {
    display: none;
    font-size: 25px;
    cursor: pointer;
}

header .navbar ul {
    display: flex;
    list-style: none;
}

header .navbar ul li a {
    text-decoration: none;
    margin: 10px;
    color: black;
    padding: 10px;
    border-radius: 10px;
    font-size: 13px;
    height: 100%;
    display: block;
}

header .navbar ul .list {
    height: 25px;
    line-height: 25px;
    display: flex;
    align-items: center;
}

header .navbar ul li a:hover {
    transition: 0.2s;
    background-color: rgb(180, 180, 180);
    border-radius: 10px;
}

header .navbar ul li a.active {
    background-color: rgb(180, 180, 180);
    border-radius: 10px;
}

header .matkul {
    padding: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

.point a {
    height: 100%;
}

button {
    border: none;
    padding: 10px;
    margin: 15px;
    border-radius: 10px;
    background-color: rgb(180, 180, 180);
    font-family: 'JetBrains';
    font-size: 15px;
    height: 60px;
    line-height: 20px;
    cursor: pointer;
}

.container {
    width: 80%;
    margin: 0 auto;
}

.title {
    display: flex;
    align-items: center;
}

.title h1 {
    margin-right: 100px;
    font-size: 35px;
}

.penjelasan-title {
    background-color: rgb(107, 169, 133);
    font-size: 30px;
    text-align: center;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
}

.point {
    display: flex;
    justify-content: space-around;
}

.point button {
    font-size: 20px;
    padding: 10px 20px 10px;
}

/* === COMMENTS === */

.comments h2 {
    margin-top: 10px;
    font-size: 25px;
    margin-bottom: 10px;
}

.penjelasan-comments {
    display: flex;
    margin-bottom: 50px;
}

.penjelasan-comments img {
    width: 300px;
    margin-left: -30px;
}

.penjelasan-comments .vertical-line {
    border-left: 5px solid rgb(130, 130, 130);
}

.penjelasan-comments .penjelasan {
    padding-left: 10px;
    text-align: justify;
    font-size: 18px;
}

.gambar-comments {
    display: flex;
    justify-content: space-between;
}

.gambar-comments div {
    display: flex;
    flex-direction: row;
}

.gambar-comments div p {
    padding-right: 10px;
    margin-top: 0;
    font-size: 20px;
}

.gambar-comments img {
    width: 520px;
}

.penjelasan-gambar p {
    margin-top: 30px;
    font-size: 17px;
    text-align: justify;
    margin-bottom: 50px;
}

/* === DUPLICATE CODE === */

.duplicate-code h2 {
    font-size: 25px;
    margin-bottom: 10px;
}

.penjelasan-duplicate-code {
    display: flex;
    margin-bottom: 50px;
}

.penjelasan-duplicate-code img {
    width: 300px;
    margin-right: 15px;
}

.penjelasan-duplicate-code .vertical-line {
    border-left: 5px solid rgb(130, 130, 130);
}

.penjelasan-duplicate-code .penjelasan {
    padding-left: 10px;
    text-align: justify;
    font-size: 20px;
}

.gambar-duplicate-code {
    display: flex;
    justify-content: space-between;
}

.gambar-duplicate-code div {
    display: flex;
    flex-direction: row;
}

.gambar-duplicate-code div p {
    padding-right: 10px;
    margin-top: 0;
    font-size: 20px;
}

.gambar-duplicate-code img {
    width: 520px;
}

/* === LAZY CLASS === */

.lazy-class h2 {
    font-size: 25px;
    margin-bottom: 10px;
}

.penjelasan-lazy-class {
    display: flex;
    margin-bottom: 50px;
}

.penjelasan-lazy-class img {
    width: 300px;
    margin-right: 15px;
}

.penjelasan-lazy-class .vertical-line {
    border-left: 5px solid rgb(130, 130, 130);
}

.penjelasan-lazy-class .penjelasan {
    padding-left: 10px;
    text-align: justify;
    font-size: 20px;
}

.gambar-lazy-class {
    display: flex;
    justify-content: space-between;
}

.gambar-lazy-class div {
    display: flex;
    flex-direction: row;
}

.gambar-lazy-class div p {
    padding-right: 10px;
    margin-top: 0;
    font-size: 20px;
}

.gambar-lazy-class img {
    width: 520px;
}

/* === DATA CLASS === */

.data-class h2 {
    font-size: 25px;
    margin-bottom: 10px;
}

.penjelasan-data-class {
    display: flex;
    margin-bottom: 50px;
}

.penjelasan-data-class img {
    width: 300px;
    margin-right: 15px;
}

.penjelasan-data-class .vertical-line {
    border-left: 5px solid rgb(130, 130, 130);
}

.penjelasan-data-class .penjelasan {
    padding-left: 10px;
    text-align: justify;
    font-size: 20px;
}

.gambar-data-class {
    display: flex;
    justify-content: space-between;
}

.gambar-data-class div {
    display: flex;
    flex-direction: row;
}

.gambar-data-class div p {
    padding-right: 10px;
    margin-top: 0;
    font-size: 20px;
}

.gambar-data-class img {
    width: 520px;
}

/* === DEAD CODE === */

.dead-code h2 {
    font-size: 25px;
    margin-bottom: 10px;
}

.penjelasan-dead-code {
    display: flex;
    margin-bottom: 50px;
}

.penjelasan-dead-code img {
    width: 300px;
    margin-right: 15px;
}

.penjelasan-dead-code .vertical-line {
    border-left: 5px solid rgb(130, 130, 130);
}

.penjelasan-dead-code .penjelasan {
    padding-left: 10px;
    text-align: justify;
    font-size: 20px;
}

.gambar-dead-code {
    display: flex;
    justify-content: space-between;
}

.gambar-dead-code div {
    display: flex;
    flex-direction: row;
}

.gambar-dead-code div p {
    padding-right: 10px;
    margin-top: 0;
    font-size: 20px;
}

.gambar-dead-code img {
    width: 520px;
}

/* === SPECULATIVE GENERALITY === */

.speculative-generality h2 {
    font-size: 25px;
    margin-bottom: 10px;
}

.penjelasan-speculative-generality {
    display: flex;
    margin-bottom: 50px;
}

.penjelasan-speculative-generality img {
    width: 300px;
    margin-right: 15px;
}

.penjelasan-speculative-generality .vertical-line {
    border-left: 5px solid rgb(130, 130, 130);
}

.penjelasan-speculative-generality .penjelasan {
    padding-left: 10px;
    text-align: justify;
    font-size: 20px;
}

.gambar-speculative-generality {
    display: flex;
    justify-content: space-between;
}

.gambar-speculative-generality div {
    display: flex;
    flex-direction: row;
}

.gambar-speculative-generality div p {
    padding-right: 10px;
    margin-top: 0;
    font-size: 20px;
}

.gambar-speculative-generality img {
    width: 520px;
}

footer {
    width: 100%;
    text-align: center;
    background-color: rgb(107, 169, 133);
    padding: 10px 0px;
}

.about-us {
    display: flex;
    justify-content: space-between;
}

.sosial-media {
    text-align: start;
    margin-right: 30px;
}

.references {
    margin-left: 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.references a {
    font-size: 16px;
    text-decoration: none;
    color: black;
    margin-bottom: 10px;
    transition: color 0.3s, font-size 0.3s;
}

.references h4 {
    margin-bottom: 10px;
    font-size: 22px;
}

.references a:hover {
    color: white;
    font-size: 19px;
}

.logo a {
    text-decoration: none;
    color: white;
    font-size: 30px;
    margin: 5px;
}

.logo a:hover {
    color: black;
}

@media only screen and (max-width: 650px) {

    header .hamburger-menu {
        margin: 10px;
        display: block;
        z-index: 999;
    }

    #nav_check:checked~.navbar {
        display: block;
    }

    header .navbar {
        position: absolute;
        display: none;
        right: 0;
        top: 0;
        z-index: 998;
        width: 250px;
        height: 100vh;
        background-color: rgb(107, 169, 133);

    }

    header .navbar ul li a {
        border-radius: 10px;
        font-size: 13px;
        height: 100%;
        display: block;
    }

    header .navbar ul .list {
        display: block;
        margin-bottom: 30px;
        height: 25px;
        line-height: 25px;
    }

    header .navbar ul {
        display: block;
        padding: 0 20px;
        margin-top: 80px;
    }

    .container {
        width: 90%;
        margin: 0 auto;
    }

    .title {
        display: block;
    }

    .title h1 {
        font-size: 20px;
        margin-bottom: 10px;
        margin-top: -30px;
    }

    .penjelasan-title {
        font-size: 12px;
    }

    .point {
        justify-content: center;
        display: block;
    }

    .point a {
        text-decoration: none;
    }
    
    .point button {
        margin-top: -8px;
        font-size: 10px;
        height: 100%;
    }

    .comments h2 {
        margin-top: 5px;
        font-size: 15px;
    }

    .penjelasan-comments {
        display: block;
    }

    .penjelasan-comments .vertical-line {
        display: none;
    }

    .penjelasan-comments img {
        width: 250px;
        margin-left: 10px;
    }

    .penjelasan-comments .penjelasan {
        font-size: 12px;
        margin-bottom: -30px;
    }

    .gambar-comments {
        display: block;
    }

    .gambar-comments div {
        display: block;
    }

    .gambar-comments div img {
        width: 100%;
    }

    .gambar-comments div p {
        font-size: 14px;
    }
    
    .comments .penjelasan-gambar p {
        margin-top: 0;
        font-size: 13px;
    }

    .duplicate-code h2 {
        margin-top: 5px;
        font-size: 15px;
    }

    .penjelasan-duplicate-code {
        display: block;
    }

    .penjelasan-duplicate-code .vertical-line {
        display: none;
    }

    .penjelasan-duplicate-code img {
        width: 250px;
        margin-left: 10px;
    }

    .penjelasan-duplicate-code .penjelasan {
        font-size: 12px;
        margin-bottom: -30px;
    }

    .gambar-duplicate-code {
        display: block;
    }

    .gambar-duplicate-code div {
        display: block;
    }

    .gambar-duplicate-code div img {
        width: 100%;
    }

    .gambar-duplicate-code div p {
        font-size: 14px;
    }
    
    .duplicate-code .penjelasan-gambar p {
        margin-top: 0;
        font-size: 13px;
    }

    .lazy-class h2 {
        margin-top: 5px;
        font-size: 15px;
    }

    .penjelasan-lazy-class {
        display: block;
    }

    .penjelasan-lazy-class .vertical-line {
        display: none;
    }

    .penjelasan-lazy-class img {
        width: 250px;
        margin-left: 10px;
    }

    .penjelasan-lazy-class .penjelasan {
        font-size: 12px;
        margin-bottom: -30px;
    }

    .gambar-lazy-class {
        display: block;
    }

    .gambar-lazy-class div {
        display: block;
    }

    .gambar-lazy-class div img {
        width: 100%;
    }

    .gambar-lazy-class div p {
        font-size: 14px;
    }
    
    .lazy-class .penjelasan-gambar p {
        margin-top: 0;
        font-size: 13px;
    }

    .data-class h2 {
        margin-top: 5px;
        font-size: 15px;
    }

    .penjelasan-data-class {
        display: block;
    }

    .penjelasan-data-class .vertical-line {
        display: none;
    }

    .penjelasan-data-class img {
        width: 250px;
        margin-left: 10px;
    }

    .penjelasan-data-class .penjelasan {
        font-size: 12px;
        margin-bottom: -30px;
    }

    .gambar-data-class {
        display: block;
    }

    .gambar-data-class div {
        display: block;
    }

    .gambar-data-class div img {
        width: 100%;
    }

    .gambar-data-class div p {
        font-size: 14px;
    }
    
    .data-class .penjelasan-gambar p {
        margin-top: 0;
        font-size: 13px;
    }

    .dead-code h2 {
        margin-top: 5px;
        font-size: 15px;
    }

    .penjelasan-dead-code {
        display: block;
    }

    .penjelasan-dead-code .vertical-line {
        display: none;
    }

    .penjelasan-dead-code img {
        width: 250px;
        margin-left: 10px;
    }

    .penjelasan-dead-code .penjelasan {
        font-size: 12px;
        margin-bottom: -30px;
    }

    .gambar-dead-code {
        display: block;
    }

    .gambar-dead-code div {
        display: block;
    }

    .gambar-dead-code div img {
        width: 100%;
    }

    .gambar-dead-code div p {
        font-size: 14px;
    }
    
    .dead-code .penjelasan-gambar p {
        margin-top: 0;
        font-size: 13px;
    }

    .speculative-generality h2 {
        margin-top: 5px;
        font-size: 15px;
    }

    .penjelasan-speculative-generality {
        display: block;
    }

    .penjelasan-speculative-generality .vertical-line {
        display: none;
    }

    .penjelasan-speculative-generality img {
        width: 250px;
        margin-left: 10px;
    }

    .penjelasan-speculative-generality .penjelasan {
        font-size: 12px;
        margin-bottom: -30px;
    }

    .gambar-speculative-generality {
        display: block;
    }

    .gambar-speculative-generality div {
        display: block;
    }

    .gambar-speculative-generality div img {
        width: 100%;
    }

    .gambar-speculative-generality div p {
        font-size: 14px;
    }
    
    .speculative-generality .penjelasan-gambar p {
        margin-top: 0;
        font-size: 13px;
    }

    footer h1 {
        font-size: 20px;
    }

    .references {
        margin-left: 10px;
    }

    .references h4 {
        font-size: 15px;
    }

    .references a {
        font-size: 10px;
    }

    .references a:hover {
        font-size: 11px;
    }

    .sosial-media {
        text-align: end;
        margin-top: 5px;
        font-size: 12px;
        margin-right: 10px;
    }

    .logo a {
        font-size: 13px;
    }

    footer span {
        font-size: 10px;
    }
}