p {
  font-size:20px;
}
@media (max-width: 800px) {
  p{
    font-size:30px;
  }
  article{
    margin-top: 300px;
    align-items: center;
  }
}
#header-img{
  width:70px;
  margin: 0;
  padding: 0;
}
.nav {
  font-size: 40px;
   min-height: 100px;
   max-width: 1200px;
   min-height: 50px;
   width: 100%;
   background: LightGray;
   display: grid;
   align-items:center;
   grid-template-columns: repeat(auto-fill, minmax(80px, 200px));
   grid-template-rows: 2fr;
}
.nav a{
  float: center;
 display: block;
 color: black;
 text-align: center;
 text-decoration: none;

}
#header{
  position: fixed;
  top: 0;
  width: 100%;
}
.container{
  text-align: center;
}
body{
  background-color: #d9e3e3;
}
#nav-bar{
  display: inline-block;
}
#main{
  margin-top:150px;

}

nav a{
  font-size: 30px;
  color: white;
}
#header-img{
  height:50px;
}
#product{
  display: inline-block;
  width: 70%;
}
#box-container {
  background: gray;
  display: flex;
  flex-direction: row;
  height: 300px;
  justify-content: center;
}
#box-1 {
  background-color: white;
  width: 33%;
  height: 100%;
}
#box-2 {
  background-color: gray;
  width: 33%;
  height: 100%;
}
#box-3 {
  background-color: black;
  color: white;
  width: 33%;
  height: 100%;
}