1-7. Leafy Trail

<div id='item1'></div>
<div id='item2'></div>
<div id='item3'></div>
<style>
*{
    margin: 0;
    padding:0;
    background:#0B2429;
  }
  
  body{
    width:400px;
    height:300px;
    position:relative;
  }
  
  div {
    position:absolute;
    width:150px;
    height:150px;
    border-radius: 100px 0 100px 0;
    top:75px;
  }
  
  #item1{
    background: #1A4341;
    left:75px
  }
  
  #item2{
    background: #998235;
    left:125px
  }
  
  #item3{
    background: #F3AC3C;
    left:175px;

  }
</style>