.title1 {
  margin: 40px 20px;
  padding: 12px 24px;
  background-color: #eee;
  border-left: 5px solid #008dab;
}

.title2 {
  margin: 40px 20px;
  padding: 12px 24px;
  position: relative;
}
.title2::after {
  content: "";
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg,#008dab 0%,#008dab 30%,#eee 30%,#eee 100%);
  position: absolute;
  bottom: 0;
  left: 0;
}

.title3{
  margin: 40px 20px;
  padding: 12px 24px;
  border-bottom: 3px dashed #008dab;
}

.title4 {
  margin: 40px 20px;
  padding: 12px 24px;
  background-color: #008dab;
  color: white;
  position: relative;
}
.title4::after {
  content: '';
  border: none;
  border-bottom: solid 16px transparent;
  border-right: solid 24px #aaa;
  position: absolute;
  bottom: -16px;
  left: 0;
}

.title5 {
  margin: 40px 20px;
  padding: 12px 24px;
  position: relative;
}
.title5::before {
  content: "";
  width: 16px;
  height: 24px;
  border-top: 3px solid #008dab;
  border-left: 3px solid #008dab;
  position: absolute;
  top: 0;
  left: 0;
}
.title5::after {
  content: "";
  width: 16px;
  height: 24px;
  border-bottom: 3px solid #008dab;
  border-right: 3px solid #008dab;
  position: absolute;
  bottom: 0;
  right: 0;
}