#parent  {
   border: 1px solid blue;
   padding: 5px;
   background:lightblue;
}
.child {
   display: inline-block;
   background: lightgreen;
   padding: 5px;
   margin: 10px;
   height: 50px;
   width: 150px;
}
.option {
   border: 1px solid #eee;
   padding: 5px;
   margin: 10px 0px;
}