div#eco {
  padding-bottom: 70px;
}

div#health div.col60 {
  margin-top: 40px;
}
div#house div.col60 {
  float: left;
  margin-top: 60px;
}
div#house div.col40 {
  float: right;
}
div#plants div.col60 {
  margin-top: 40px;
}
div#pets div.col60 {
  float: left;
  margin-top: 20px;
}
div#pets div.col40 {
  float: right
}

div#eco div.col60 {
  margin-top: 70px;
}
div.section.odd div.col60 {
  position: relative;
  width: 55%;
  padding: 60px;
  border: 2px solid #ddd;
  background: #fff;
}
div.section.odd div.col40 {
  width: 45%;
}
div.section.odd div.col40 img{
  float: left;
}



div.section.odd div.col60:after, div.section.odd div.col60:before {
  right: 100%;
  top: 50%;
  border: solid transparent;
  content: "";
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
}
div.section.odd div.col60:after {
  border-color: rgba(255, 255, 255, 0);
  border-right-color: #fff;
  border-width: 30px;
  margin-top: -30px;
}
div.section.odd div.col60:before {
  border-color: rgba(221, 221, 221, 0);
  border-right-color: #ddd;
  border-width: 33px;
  margin-top: -33px;
}
div.section.even {
  padding: 20px 0px 0px 0px;
}
div.section.odd {
  padding: 50px 0px 0px 0px;
}
div.section.even div.col60 {
  position: relative;
  width: 55%;
  padding: 60px;
  border: 2px solid #f3f3f3;
  background: #f3f3f3;
}
div.section.even div.col40 {
  width: 45%;
}
div.section.even div.col60:after, div.section.even div.col60:before {
  left: 100%;
  top: 50%;
  border: solid transparent;
  content: "";
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
}
div.section.even div.col60:after {
  border-color: rgba(243, 243, 243, 0);
  border-left-color: #f3f3f3;
  border-width: 30px;
  margin-top: -30px;
}
div.section.even div.col60:before {
  border-color: rgba(243, 243, 243, 0);
  border-left-color: #f3f3f3;
  border-width: 33px;
  margin-top: -33px;
}
div.section.odd div.col60, div.section.odd div.col40 {
  padding-right: 40px;
}
div.section.even div.col60, div.section.even div.col40 {  
  padding-left: 40px;
}