.hoofdstukBackground {
    background-color: #e3e7ee;
    background-image:
            linear-gradient(335deg, #93b7e1 23px, transparent 23px),
            linear-gradient(155deg, #93b7e1 23px, transparent 23px),
            linear-gradient(335deg, #93b7e1 23px, transparent 23px),
            linear-gradient(155deg, #93b7e1 23px, transparent 23px);
    background-size: 58px 58px;
    background-position: 0px 2px, 4px 35px, 29px 31px, 34px 6px;
}

.maxwidth{
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    flex-grow: 1;
}

main {
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    flex-grow: 1;
}

main article {
    background-color: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease;
}

main article:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

#h1 main h4, #h1 main h3, #h1 main h2{
    color: #2c3e50;
}

main h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-weight: 600;
}

main p {
    line-height: 1.7;
    color: #34495e;
    margin-bottom: 15px;
}

.bd-callout {
    background-color: #e9f3fb;
    border-left: 5px solid #3498db;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

main img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

main ul, main ol {
    background-color: #f1f5f8;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    list-style-position: inside;
}

main ul li, main ol li {
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 16px;
    line-height: 1.6;
    position: relative;
    padding-left: 30px;
}

main ol {
    counter-reset: custom-counter;
    list-style: none;
}

main ol li::before {
    content: counter(custom-counter) ".";
    counter-increment: custom-counter;
    position: absolute;
    left: 5px;
    top: 0;
    font-weight: bold;
    color: #3498db;
}

.download-btn {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    font-size: 18px;
    padding: 12px 30px;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.3s ease;
}

.download-btn:hover {
    background-color: #2980b9;
}

.download-btn:active {
    background-color: #1d6fa5;
}

pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: "Courier New", monospace;
    font-size: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

pre code {
    font-family: "Courier New", monospace;
    color: #f8f8f2;
    display: block;
    white-space: pre-wrap;
}

pre:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.dark-map {
    width: 100%;
    max-width: 400px;
    display: block;
    margin: 10px auto;
}

h1{
    color: #2c3e50;
    background-color: #93b7e1;
    border: 5px var(--background) solid;
    text-align: center;
    margin: 15px;
    padding: 5px 10px;
    font-weight: bold;
    border-radius: 16px;
}

.hidden{
    background-color: #e9f3fb;
    color: #e9f3fb;
}

table {
    width: 100%;
    border-collapse: collapse;
}
th {
    background-color: var(--text-custom);
    color: white;
    padding: 10px;
}
td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ddd;
    color: black;
}

.inhoud-box {
    display: none;
}

@media (max-width: 767px) {
    main {
        padding: 10px;
    }

    main article {
        padding: 15px;
    }

    .download-btn {
        font-size: 16px;
        padding: 10px 25px;
    }
}

@media (min-width: 1500px){
    main {
        display: flex;
        flex-direction: row;
    }

    .inhoud-box {
        display: inline-block;
        z-index: 100;
        width: 300px;
        position: sticky;
        left: 30px;
        top: 200px;
        align-self: flex-start;
        background-color: #f8f8f8;
        border: 1px solid #ddd;
        padding: 1rem;
    }

    .inhoud-box a {
        display: block;
        margin-bottom: 0.5rem;
        color: #333;
        text-decoration: none;
    }

    .inhoud-box a:hover {
        text-decoration: underline;
    }
}