@import url('https://fonts.googleapis.com/css2?family=Montserrat&display=swap');
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', open-sans;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.hero {
  background-image: url('https://i.huffpost.com/gen/2200694/thumbs/o-PLANT-GROWING-facebook.jpg');
  height: 100vh;
  background-size: conver;
  background-repeat: no-repeat;
  background-position: center;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  margin-bottom: 20px;
  z-index: -2;
}

.hero::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: -1;
}

.hero h1 {
  font-size: 50px;
  text-transform: capitalize;
}
.hero p {
  font-size: 30px;
}

.nav {
  position: fixed;
  background-color: green;
  left: 0;
  top: 0;
  right: 0;
}

.nav a {
  text-decoration: none;
  color: #fff;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 30px;
}

.nav .container ul {
  display: flex;
  align-items: center;
}

nav ul li {
  list-style: none;
  padding: 10px;
}

.nav.active {
  background-color: #fff;
  border: 1px solid green;
}

.nav.active a {
  color: #000;
}

.nav.active .container {
  padding: 5px 10px;
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.content h2 {
  font-size: 30px;
  text-transform: uppercase;
  margin: 20px 0;
}

.content ul {
  margin: 0 0 20px;
  font-size: 20px;
  display: flex;
  flex-direction: column;
  list-style-position: inside;
  padding: 0 20px 20px;
}

@media (max-width: 500px) {
  .nav .container {
    padding: 10px 5px;
  }
  .nav {
    font-size: 12px;
  }
  nav ul li {
    padding: 5px;
  }
}