styles.css

*{
  margin: 0px;
  padding: 0px;
}

input[type = "checkbox"], .hamburger{
  display: none;
}

nav{
  display: flex;
  justify-content: space-between;
  min-height: 60px;
  align-items: center;
  background: #212523;
  padding-left: 20px;
  padding-right: 20px;
}

nav .left-side .nav-links{
  display: flex;
}

nav .left-side .nav-links a{
  display: block;
  padding: 20px;
  color: white;
  text-decoration: none;
}

nav .right-side h1{
  color: white;
  padding: 20px;
}

@media (max-width: 700px){
  nav .left-side .nav-links{
    display: none;
  }

  nav{
    flex-direction: column-reverse;
    align-items: flex-start;
    padding-left: 0px;
    padding-right: 0px;
  }

  nav .right-side{
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    width: 100%;
    justify-content: space-between;
  }

  nav .right-side .hamburger{
    display: block;
    padding: 20px;
  }

  nav input[type = "checkbox"]{
    display: block;
    transform: scale(2);
    position: absolute;
    margin-left: 33px;
    margin-top: -43px;
    opacity: 0;
    cursor: pointer;
  }

  nav input[type = "checkbox"]:checked ~ .nav-links{
    display: block;
  }

  nav .right-side .hamburger span{
    display: block;
    height: 3px;
    width: 25px;
    margin: 6.5px;
    background: white;
  }
}