styles.css

@import url('https://fonts.googleapis.com/css2?family=Tajawal&display=swap');

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

body {
  background: black;
  color: white;
  font-family: 'Tajawal', sans-serif;
  position: relative;
  display: flex;
  min-height: 100vh;
  margin: 0;
  justify-content: center;
  align-items: center;
}

svg {
  -webkit-filter: invert(100%); /* safari 6.0 - 9.0 */
          filter: invert(100%); /* inverts colors to blacknwhite */
  width: 40px;
}

header {
    position: fixed;
    top: 0;
    min-height: 75px;
    padding: 0px 20px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: black;
}

.logo {
    width: 60vw;
}

.logo > img {
    width: 100%;
    height: 100%;
    max-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-left: 20px;
}

a {
  text-decoration: none;
  color: white;
}

li {
  list-style: none;
}

nav > ul {
    width: 35vw;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

#hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 200px;
    margin-top: 50px;
}

#hero > h2 {
    margin-bottom: 20px;
    word-wrap: break-word;
}

#hero input[type='email'] {
    max-width: 275px;
    width: 100%;
    padding: 5px;
    border-radius: 5px;
    background-color: #1a1a1a;
}

.btn {
    margin-top: 5px;
    padding: 0 20px;
    height: 40px;
    font-size: 1em;
    font-weight: 900;
    text-transform: uppercase;
    border: 3px black solid;
    border-radius: 10px;
    cursor: pointer;
}

.container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
}

.grid {
  display: flex;
}

#features .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80;
}

#features .desc {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 125px;
    width: 80vw;
    padding: 5px;
}

#how-it-works {
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

#how-it-works > iframe {
    max-width: 560px;
    width: 100%;
}

#memberships {
    margin-top: 60px;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.product {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: calc(100% / 3);
    margin: 10px;
    border: 1px solid #fff;
    border-radius: 3px;
}

.product > .level {
    background-color: #2f2f2f;
    color: #ebebeb;
    padding: 15px 0;
    width: 100%;
    text-transform: uppercase;
    font-weight: 700;
}

.product > h2 {
    margin-top: 10px;
}

.product > ol {
    margin: 15px 0;
}

.product > ol > li {
    padding: 5px 0;
}

.product > button {
    border: 0;
    margin: 15px 0;
    font-weight: 400;
}

footer {
    margin-top: 30px;
    background-color: #4a4b4b;
    padding: 20px;
}

footer > ul {
    display: flex;
    justify-content: flex-end;
}

footer > ul > li {
    padding: 0 10px;
}

footer > span {
    margin-top: 5px;
    display: flex;
    justify-content: flex-end;
    font-size: 0.9em;
    margin-right: 15;
}

@media (max-width: 800px) {
  #memberships {
    flex-direction: column;
  }
  .product {
    max-width: 300px;
    width: 100%;
    margin: 0 auto;
    margin-bottom: 10px;
  }
}

@media (max-width: 550px) {
  #features .desc {
    width: 100%;
    text-align: center;
    padding: 0;
    height: 150px;
  }
}

@media (max-width: 650px) {
  #features {
    margin-top: 0;
  }
}

@media (max-width: 550px) {
  #features .icon {
    display: none;
  }
}

@media (max-width: 650px) {
  #hero {
    margin-top: 120px;
  }
}

@media (max-width: 600px) {
  header {
    flex-wrap: wrap;
  }
}

@media (max-width: 650px) {
  nav > ul {
    flex-direction: column;
  }
}

@media (max-width: 650px) {
  .logo {
    margin-top: 15px;
    width: 100%;
    position: relative;
  }
}

@media (max-width: 650px) {
  .logo > img {
    margin: 0 auto;
  }
}

@media (max-width: 650px) {
  nav {
    margin-top: 10px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 50px;
  }
  nav li {
    padding-bottom: 5px;
  }
}