.wrapper {
  margin-right: 20px;
  padding-left: 20px;

}

.child {
  box-sizing: border-box;
  width: 70%;
  padding-right: 20px;
  float: left;
}

.child-left {
  box-sizing: border-box;
  width: 55%;
  padding-left: 80px;
  padding-right: 10px;
  float: left;
}