form { 
  background-color: lightGrey;
}
input{
  width: 70%;
  }
 .go{
   width:100%;
  
}
div{
  display:flex;
  width: 50%;
  margin: auto;
}
#circle {
  margin-right: 5%;
  width: 25%;
  padding: 5%;
}
#triangle {
margin-right: 5%;
    width: 25%;
  padding: 5%;
}
#rectangle {
  
   width: 25%;
  padding: 5%;
}
p{
float: right;
 
}
h2{
  font-size: 20px;
  text-align: center;
}
h1{
  text-align: center;
}

#article  {
  display: block;
  text-align: left;
  padding-top: 4%;
  padding-bottom: 4%;

}

#article p h2 h3{
  text-align: left;
  float: left;
}


/* adjust menu bar */
.hbar-content {
  margin-top:auto !important;
}