style.css

body {
  background-color: #F1EEEE;
}

@media screen and (max-width: 800px) {
    body {
        background-color: coral;
    }
}

#header {
  position: fixed;  
  width: 100%;
  top: 0px;
  background-color: #8B9DBC
}

h1 {
  display: inline;
}

#nav-bar {
  float: right;
  padding-top: 35px;
  padding-right: 30px;
}

.nav-link {
  color: black;
}

#content {
  padding-top: 75px;
}

#about-us {
  text-align: center;
}

#about-us-list {
  text-align: center;
}

.about-us-list {
  display: inline-block;
  text-align: left;
}

#sample-video {
  text-align: center;
  padding-top: 30px;
  padding-bottom: 40px;
}

#pricing {
  text-align: center;
  padding-top: 30px;
  padding-bottom: 40px;
}

.container {
  display: flex;
  justify-content:space-around;
  padding-bottom: 30px;
}

.box-1, .box-2, .box-3 {
  text-align: center;
  width: 100px;
  height: 80px:;
  border: 1px solid #000;
  border-radius: 3px;
}

#contact-us {
  text-align: center;
  padding-top: 30px;
  padding-bottom: 40px;
}