body{
 margin: 0;
 padding: 0;
background-color: aquamarine;
    
}

#left-column{
     width:60%;
    float: left;
    background-color: chartreuse;
}

#right-column img{
  width: 230px;
  margin-left: 140px;
   margin-top: 100px;
}

img#logo{
  position: fixed;
  width: 150px;
  bottom: 20px;
  right: 10px;
}