body{
  margin:0px;
}
main{
  margin-left:20px;
  margin-right:20px;
}
h1{
text-align:center;  
}
.navbar ul{
  list-style-type: none;
  background-color:#bfff80;
  padding:0px;
  margin:0px;
  border-radius: 25px;
  text-align:center;
  overflow:hidden;
}
.navbar a{
  color: #194d19;
  text-decoration:none;
  padding:15px;
  display:block;

}

.navbar a:hover{
  background-color:lightblue;
}
.navbar li{
  float:left;
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}
.img {
width=400px
height=300px
}

#img1{
  float:right;
  margin-left:50px;
  margin-right:50px;
  margin-top:15px;
    width: 13%;
}
#img2{
  float:left;
  margin-left:50px;
  margin-right:50px;
  margin-top:15px;
}
#img3{
  margin-left:0px;
  margin-right:0px;
  margin-bottom:20px;
}

.container {
  display: grid;
}