@media screen and (max-width: 600px) {
body{
  width: 800px;
}
}
#header{
font-size: 3.5vw;
justify-content: left;
}
#code {
  text-align: center;
  width: 12vw;
  height: 12vw;
  font-size: 1.2vw;
  margin-top: -1.3vw;
}

#codeb {
  width: 10vw;
  height: 10vw;
}

.sq {
  display: flex;
  font-size: 12vw;
  align-items: center;
  justify-content: center;
}
#centering{
  display: flex;
  width: 1200px;
  align-content: flex-end;
  justify-content: left;
  align-items: center;
}
#main{
  display: flex;
  flex-flow: row wrap;
  width: 45vw;
  justify-content: center;
  align-items: center;
}
#r1c1{
  box-sizing: border-box;
  background-color: gray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid darkgray;
}
#r1c2{
  box-sizing: border-box;
  background-color: lightgray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid navy;
}
#r1c3{
  box-sizing: border-box;
  background-color: gray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid darkgray;
}


#r2c1{
  box-sizing: border-box;
  background-color: lightgray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid navy;
}
#r2c2{
  box-sizing: border-box;
  background-color: gray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid darkgray;
}
#r2c3{
  box-sizing: border-box;
  background-color: lightgray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid navy;
}


#r3c1{
  box-sizing: border-box;
  background-color: gray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid darkgray;
}
#r3c2{
  box-sizing: border-box;
  background-color: lightgray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid navy;
}
#r3c3{
  box-sizing: border-box;
  background-color: gray;
  width: 15vw;
  height: 15vw;
  border-radius: 2vw;
  border: 4px solid darkgray;
}