.job_opening {
  display: block;
  cursor: pointer;
  padding: 20px;
  background: #e45305;
  color: white;
  font-weight: bold;
  border-bottom: 1px solid #0005;
  border-radius: 2px;
  max-width: 600px;
}
.job_opening:last-of-type {
  border: none;
}

.job_descr {
  position: relative;
  height: 0px;
  padding: 0px 20px;
  background: lightgray;
  opacity: 0;
  visibility: hidden;
  transition: padding .3s;
}

.job_dropdown:checked + .job_descr {
  opacity: 1;
  visibility: visible;
  height: auto;
  padding: 20px;
}