    /* Reset & Font*/
* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
                 Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

    /* Header */    
h3 {
    color: white;
    text-align: center;
    font-size: 24px;
}
h4 {
    text-decoration: underline;
    font-size: 18px;
}    
header {
    color: white;
    padding: 20px;
    grid-area: header;
    text-align: center;
}
.logo {
    font-size: 20px;
    
}
.logo img {
    width: 110px;
    margin-top: 26px;
    margin-left: 52px;
    position: fixed;
}

    /* Navbar */
.navbar {
    padding: 20px;
    grid-area: nav;
    text-align: center;
    line-height: 40px;
    font-size: 16px;
    position: fixed;
    top: 130px;
    margin-left: 30px;
    bottom: 0;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.navbar::-webkit-scrollbar {
  display: none;
}
nav ul {
    list-style: none;
}
nav ul li a {
    color: white;
    text-decoration: none;
}
nav ul li :hover {
    color: gray;
    text-decoration: underline;
}

/* Navbar Buttom Image */
.buttom img {
    width: 100px;
    margin-top: 30px;
}

    /* Body */
body {
    background: black;
    height: 100vh;
    margin-inline: 5%;
    display: grid;
    grid-template-areas: 
        'logo header header'
        'nav content content'
        'nav footer footer';
    grid-template-columns: 0.7fr 3fr;
    grid-template-rows: 110px 1fr;    
}
.content {
    margin-left: 20%;
    margin-right: 20%;
}

/* Code Block & Copy Button */
.code-wrap {
            position: relative;
            width: 450px;
            background-color: black;
            padding: 10px;
            margin-bottom: 15px;
            border-radius: 4px;
            text-align: left;
        }
.code-wrap button {
            position: absolute;
            top: 6px;
            right: 10px;
            padding: 5px 10px;
            background-color: black;
            color: white;
            border: none;
            border-radius: 3px;
            cursor: pointer;
            font-size: 14px;
}

.code-wrap button:active {
    color: #0056b3;
} 

        
    /* Main */
main {
    color: white;
    padding: 20px;
    grid-area: content;
    text-align: left;
    line-height: 28px;
}
main div {
    text-align: center;
}
.image img {
    width: 200px;
}
main ul {
    list-style: none;
    line-height: 25px;
    font-size: 16px;
}
a {
    color: white;
    text-decoration: none;
}
main ul :hover {
    color: gray;
    text-decoration: underline;
}

    /*Footer  */
footer {
    color: white;
    padding: 20px;
    grid-area: footer;
    text-align: center;
    font-size: 12px;
}
