*, ::before, ::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color1: #fff;
  --color2: #2c5a99;
  --color3: #afc6e9;
}

body {
  background-color: var(--color2);
  font-family: Arial, sans-serif;
}

header, nav, section {
	display: block;
}

section.section-lv1 {
  min-height: 100px;
  margin: 0 50px;
}

section.section-lv1::before {
  content: "";
  height: 190px;
  display: block;
}

h1, h2, h3 {
  font-family: "Arial Rounded MT Bold", "Arial Rounded MT", Arial, sans-serif;
}

h2 {
  color: var(--color3);
}

h1, h3 {
  color: var(--color2);
}

h2 {
  font-size: 1.4rem;
  padding-bottom: 20px;
}

h3, p {
  text-align: center;
}

ul {
  list-style-type: none;
}

.wrapper {
  background-color: var(--color3);
  padding: 15px;
  border-radius: 10px;
  line-height: 2.2em
}

.fa {
  font-size: 1.5em;
}

.features-flex {
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: center;
  text-align: center;
  padding: 0.6em 0;
}

.icon {
  flex: 0 0 2em;
  text-align: center;
}

#header {
  position: fixed;
  z-index: 1;
  background-color: var(--color1);
  width: 100vw;
  padding: 0.3em 0;
}

#header-img {
  min-height: 50px;
  height: 3.4rem;
  display: block;
  margin: auto;
}

#main {
  max-width: 800px;
  margin: 0 auto 200px auto;
}

#nav-bar {
  width: 100%;
  text-align: center;
}

#nav-bar ul {
  width: 100%;
  display: flex;
  flex-direction: column;
  margin: 0.3em 0;
}

#nav-bar a {
  color: var(--color2);
  text-decoration: none;
  display: block;
  padding: 0.3em;
}

#nav-bar a:hover {
  color: var(--color1);
  background-color: var(--color3);
}

#video {
  width: 100%;
  border: 0;
}

#pricing-flex {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

button, input#submit {
  width: 100%;
  font-size: inherit;
  border: 0;
  height: 2em;
  background-color: var(--color2);
  color: #fff;
  margin-top: 10px;
}

button:hover, input#submit:hover {
  background-color: var(--color1);
  color: var(--color2);
  cursor: pointer;
}

button:active, input#submit:active {
  background-color: var(--color1);
  color: var(--color3);
}

#form input {
  display: block;
  width: 100%;
  height: 2em;
}

.check::before {
  content: "\2713";
  margin-right: 0.5em;
  color: var(--color2);
}

.price {
  font-size: 1.4em;
  font-weight: bold;
  color: var(--color2);
}

@media all and (min-width: 480px) {
  .features-flex {
    flex-direction: row;
    text-align: left;
  }
  .icon {
    flex: 0 0 3em;
  }
  #newsletter .wrapper {
    max-width: 300px;
    margin: auto;
  }
  #newsletter h2 {
    text-align: center;
  }
}

@media all and (min-width: 720px) {
  #pricing-flex {
    flex-direction: row;
  }
  .plan-flex {
    flex: 1 1;
    display: flex;
    flex-direction: column;
    height: 100%;
  }
  #header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    padding: 0.3em 2em;
  }
  #nav-bar {
    width: 60%;
    display: flex;
  }
  #nav-bar ul {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
  }
  #nav-bar li, .space {
    flex-grow: 1;
  }
  section.section-lv1::before {
    content: "";
    height: 120px;
    display: block;
  }
  #pricing-flex section {
    height:100%;
  }
}