@charset "UTF-8";

* {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    background-color: lightgray;
    line-height: 1.1em;
}

header {
    background-color: gray;
}
header > h1{
    padding: 10px;
    text-align: center;
}

span#menu {
    background-color: rgb(48, 48, 48);
    display: block;
    color: white;
    text-align: center;
    cursor: pointer;
    padding: 10px;
}

span#menu:hover {
    background-color: white;
    color: black;
} 

menu {
    display: none;
}

menu > ul {
    list-style-type: none;
}

menu > ul > li > a {
    display: block;
    padding: 10px;
    text-align: center;
    text-decoration: none;
    background-color: rgb(78, 78, 78);
    color: white;
    border-top: 2px solid rgb(175, 175, 175);
}

menu > ul > li > a:hover {
    background-color: rgb(114, 114, 114);
}

main {
     width: 90vw;
     background-color: white;
     margin: auto;
     margin-top: 20px;
     padding: 10px;
     border-radius: 10px;
}

article > h2 {
    padding-bottom: 20px;
}

article > p{
    text-align: justify;
    padding-bottom: 15px;
}