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

html ,body{
    font-family: 'Times New Roman', Times, serif;
    font-weight: 300;
    line-height: 1.4;
    scroll-behavior: smooth;
}

/* Header Section  */
a{
text-decoration: none;
}

body{
    display: flex;
}

header{
    border: 1px solid #ccc;
    height: 100vh;
}
nav h1{
    font-size: 30px;
    font-weight: 600;
    padding: 10px;
    border-bottom: 1px solid #ccc;
}

nav ul{
    list-style: none;
}

nav ul li{
    font-size: 20px;
    border-bottom: 1px solid #ccc;
    padding: 10px;
    color:  black;
}



nav ul li:hover{
    background: #ccc;
    transition: 0.3s ease-in-out;
}

/* ------------------------------ */



/* Main Section  */

main{
  padding: 50px;  
  max-width: 1200px;
}

section{
    margin-bottom: 50px;
}

section article{
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
section h2{
    padding-bottom: 10px;
    font-size: 20px;
    font-weight: 400;
    border-bottom: 10px solid #ccc;
    margin-bottom: 20px;
}
section article ul{
    margin-left: 30px;
}

section article ul li{
    margin-bottom: 10px;
}


code{
    white-space: pre-line;
    line-height: 2;
    background: #f7f7f7;
    padding: 15px;
    margin: 10px;
    border-radius: 5px;
}
/* ------------------------------ */


@media (max-width: 480px){
body{
    flex-direction: column;
}
header{
    height: 200px;
    overflow: hidden;
    overflow-y: scroll;
}

}