body {
    background-color: #eee;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 650;
    font-size: 17px;
  }

  body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: -1;
    background-image: linear-gradient(
        115deg,
        rgba(58, 158, 158, 0.8),
        rgba(206, 162, 136, 0.7)
      ),
      url(https://images.unsplash.com/photo-1650668013068-b6f089548e26?crop=entropy&cs=tinysrgb&fm=jpg&ixlib=rb-1.2.1&q=80&raw_url=true&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1074);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
  }

  #page-wrapper {
    position: relative;
  }
  
  li {
    list-style: none;
  }
  
  a {
    color: #000;
    text-decoration: none;
  }

  /** global classes styling **/

.sect-cont {
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
  }

  .btn {
    padding: 0 20px;
    height: 40px;
    font-size: 1em;
    font-weight: 650;
    text-transform: uppercase;
    border: 2px black solid;
    border-radius: 5px;
    background: transparent;
    cursor: pointer;
  }

  .grid {
    display: flex;
  }

  header {
    position: fixed;
    top: 0;
    min-height: 75px;
    padding: 0px 20px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: inherit;
  }
  
  @media (max-width: 600px) {
    header {
      flex-wrap: wrap;
    }
  }

  .logo {
    width: 60vw;
  }
  
  @media (max-width: 650px) {
    .logo {
      margin-top: 15px;
      width: 100%;
      position: relative;
    }
  }

  .logo > img {
    width: 10%;
    height: 100%;
    max-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-left: 20px;
  }

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

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

  #hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 200px;
    margin-top: 100px;
  }

  #hero > h2 {
    margin-bottom: 30px;
    word-wrap: break-word;
  }

  #hero input[type='email'] {
    max-width: 275px;
    width: 100%;
    padding: 5px;
    background-color: azure;
  }
  
  #hero input[type='submit'] {
    height: 30px;
    margin: 15px 0;
    background-color: inherit;
  }
  
  #hero input[type='submit']:hover {
    background-color: salmon;
    transition: background-color 1s;
  }
  
  @media (max-width: 650px) {
    #hero {
      margin-top: 120px;
    }
  }

  #characteristics {
    margin-top: 48px;
  }

  #characteristics .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 125px;
    width: 20vw;
    color: rgb(241, 226, 139);
  }

  @media (max-width: 550px) {
    #characteristics .icon {
      display: none;
    }
  }
  
  #characteristics .chess {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 125px;
    width: 80vw;
    padding: 5px;
  }

  @media (max-width: 550px) {
    #characteristics .desc {
      width: 100%;
      text-align: center;
      padding: 0;
      height: 150px;
    }
  }
  
  @media (max-width: 650px) {
    #characteristics {
      margin-top: 0;
    }
  }

  #system {
    margin-top: 50px;
    display: flex;
    justify-content: center;
  }

  #system > iframe {
    max-width: 560px;
    width: 100%;
  }

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

  .items {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: calc(100% / 3);
    margin: 20px;
    border: 1px solid #000;
    border-radius: 3px;
  }

  .items > .level {
    background-color: #8FBC8B;
    color: black;
    padding: 15px 0;
    width: 100%;
    text-transform: uppercase;
    font-weight: 700;
  }

  .items > h2 {
    margin-top: 15px;
  }
  
  .items > ol {
    margin: 15px 0;
  }
  
  .items > ol > li {
    padding: 5px 0;
  }
  
  .items > button {
    margin: 15px 0;
    background-color: inherit;
    font-weight: 400;
  }

  .items > button:hover {
    background-color: salmon;
    transition: background-color 1s;
  }
  
  @media (max-width: 800px) {
    #pricing {
      flex-direction: column;
    }
    .items {
      max-width: 300px;
      width: 100%;
      margin: 0 auto;
      margin-bottom: 10px;
    }
  }

  footer {
    margin-top: 30px;
    background-color: inherit;
    padding: 20px;
  }

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

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