* {
  box-sizing: border-box;
  font-size: 62.5%;
  font-family: 'Montserrat', sans-serif;
  text-align: center;
}

p {
  margin-bottom: 1rem;
}

h1,
h2,
h3,
h4,
h5{
  margin: 3rem 0 1.38rem;
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  line-height: 1.3;
}


h1 {
  margin-top: 0;
  font-size: 3.052rem;
}

h2 {
  font-size: 2.441rem;
}

h3 {
  font-size: 1.953rem;
}

h4 {
  font-size: 1.563rem;
}

h5 {
  font-size: 1.25rem;
}

small, .text_small {
  font-size: 0.8rem;
}

body {
  margin: 0;
  padding: 0;
  background-color: whitesmoke;
  font-family: "Roboto", sans-serif;
  padding-bottom: 1em;
  background: linear-gradient(90deg, #e3ffe7 0%, #d9e7ff 100%);
}

p,
li {
  font-size: 1.563rem;
}

li {
  list-style: none;
}

article {
  padding: 1rem;
}
.navbar {
  display: flex;
  position: relative;
  justify-content: space-between;
  align-items: center;
  background-color: #333;
  color: white;
}
.title-name {
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  font-size: 4.5rem;
  margin: 0.5rem;
  padding-bottom: .5rem;
}

.navbar-links {
  height: 100%;
}

.navbar-links ul {
  margin: 0;
  padding: 0;
  display: flex;
}

.navbar-links li {
  list-style: none;
}

.navbar-links li a {
  text-decoration: none;
  color: white;
  padding: 1rem;
  display: block;
  font-size: 2rem;
}

.navbar-links li:hover {
  background-color: #555;
}
.toggle-button {
  position: absolute;
  top: 2.25rem;
  right: 1rem;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 3rem;
  height: 2.1rem;
}

.toggle-button .bar {
  height: 3px;
  width: 100%;
  background-color: white;
  border-radius: 10px;
}

@media (max-width: 700px) {
  .toggle-button {
    display: flex;
  }
  .navbar-links {
    display: none;
    width: 100%;
  }

  .navbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .navbar-links ul {
    width: 100%;
    flex-direction: column;
  }
  .navbar-links ul li {
    text-align: center;
  }

  .navbar-links ul li a {
    padding: 0.5rem 1rem;
    border-top: 0.1rem solid white;
  }

  .navbar-links.active {
    display: flex;
  }
}