.roi-calc {
  box-sizing: border-box;
  width: 80%;
  margin-right: auto;
  margin-left: auto;
  margin-bottom: 60px;

}

.roi-calc h2 {
  color: #F15A23;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.roi-calc-form {
  border: 0.5rem solid #a8b0bc;
  border-radius: 12px;
  padding: 20px;
  background-color: #f1f1f1
}

.roi-calc-form h4 {
  color: #F15A23;
}

.roi-calc-form a {
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.input-bg-font {
  background-color: #53b3cc;
  color: white;
  /* background-color: rgba(249, 194, 45, 0.7); */
  font-weight: bold;
}

.input-readonly {
  background-color: #e4e7ec;
}
/* ********************* */
/* collapse icon -- CSS */
.expand-collapse {
   position: relative;
}
.expand-collapse:before {
   position: absolute;
   content: "+";
   left: -14px;
   top: -6px;
   color: grey;
   font-weight: bold;
   font-size: 1.5em;
}
.expand-collapse[aria-expanded="true"]:before {
    content: "-";
}