style.css

@media (prefers-reduced-motion: no-preference) {
  * {
    scroll-behavior: smooth;
  }
}

* {
  box-sizing: border-box;
}

#header {
  display: flex;
  align-items: center;
  justify-content: center;
}

#logo {
  width: 280px;
  height: 82px;
  aspect-ratio: 35 / 4;
}
body {
  min-width: 290px;
  background-color: #2b5b84;
  color: #ffd343;
  font-family: 'Open Sans', Arial, sans-serif;
  line-height: 1.5;
}

main {
  margin-left: 400px;
  padding: 20px;
}


#navbar {
  position: fixed;
  min-width: 290px;
  top: 0px;
  left: 0px;
  width: 400px;
  height: 100%;
  border-right: solid;
}


#navbar header {
  text-align: center;
  margin: 15px;
}

#navbar ul {
  padding: 0;
  height: 100%;
}
#navbar li {
  border-top: 1px solid;
  list-style: none;
}
#navbar a {
  display: block;
  padding: 10px 30px;
}

#main-doc header {
  text-align: left;
  margin: 0;
}
section article {
  margin: 15px;
  font-size: 0.95em
}

code {
  display: block;
  background-color: #383838;
  padding: 15px;
  margin: 10px;
  border-radius: 10px;
}
.output {
  color: rgb(0,255,0);
}

a {
  color: #ffd343;
}
a:hover {
  color: rgb(0,255,0);
}

@media (max-width: 815px) {
  #navbar {
    display: block;
    position: fixed;
    top: 0;
    padding: 0;
    margin: 0;
    width: 100%;
    max-height: 350px;
    border: none;
    z-index: 1;
    background-color: #2b5b84;
  }
  #main-doc {
    display: block;
    position: relative;
    margin-left: 0px;
    margin-top: 325px;
    
  }

  #header {
    justify-content: flex-start;
  }
}