:root {
    --border-color: #F4F8FD;
}

body {
    padding: 0;
    margin: 0;
}

* {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
}

h1,.h1,h2,.h2,h3,.h3,h4,.h4,h5,.h5,h6,.h6 {
    font-family: 'Oswald';
}

.container {
    width: 100%;
    max-width: 1280px;
    padding: 0 24px;
    margin: 0 auto;
}

/**
  App styling tools
 */

.app__title {
    text-align: center;
    padding: 24px 12px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.app__navigation {
    padding: 24px 12px;
    border-bottom: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
    margin-bottom: 24px;
    text-align: center;
}

.app__navigation h3 {
    margin-bottom: 24px;
}

.app__navigation ul {
    margin: 0;
    padding: 0;
}

.app__navigation ul li {
    list-style: none;
}

.app__navigation ul li a {
    color: #000;
}

/**
  Components styling tools
 */

.component__block {
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: 24px;
}

.component__title {
     border-top: 1px solid var(--border-color);
     border-bottom: 1px solid var(--border-color);
     padding: 24px 12px;
}

.component__html {
    background-color: #202020;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.15);
    color: #fff;
}

.component__html code {
    width: 100%;
    display: block;
    white-space: break-spaces;
    font-family: 'Arial';
}

.component__description {
    margin: 25px auto;
    padding-top: 25px;
    padding-bottom: 25px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.component__description p {
    font-size: 16px;
}

@media(min-width: 768px) {
    .app__title {
        padding: 48px 64px;
        margin-bottom: 48px;
    }

    .app__navigation {
        padding: 48px 64px;
    }

    .app__navigation h3 {
        margin-bottom: 48px;
    }

    .component__block {
        grid-gap: 48px;
    }

    .component__title {
        padding: 48px 64px;
    }

    .component__description {
        margin: 48px auto;
        padding-top: 48px;
        padding-bottom: 48px;
    }
}

@media(min-width: 1024px) {
    .component__block {
        grid-gap: 48px;
    }

    .component__title {
        padding: 48px 24px;
    }

    .component__description {
        margin: 50px auto;
        padding-top: 50px;
        padding-bottom: 50px;
    }

    .component__description p {
        font-size: 18px;
    }
}