main {
  display: flex;
}

.service{
  position: relative;
  width: 940px;
  margin: 0 auto;
  padding: 50px 0;
  display: flex;
  margin-bottom: 10em;
  /* justify-content: space-between; */
  
}

.service li {
  display: inline-block;
  text-align: center;
  width: 30%;
  vertical-align: top;
  margin: 0 1.5%;
  padding: 30px 20px;
  box-sizing: border-box;
  border: 3px solid #37474f; 
  border-radius: 20px; 
}

.service li:hover {
  border-color: #607d8b;
  background-color:  #5d7d8d;

  transition: 300ms;
}

.service li:active {
  border-color: #cfd8dc;
}

.service li:hover h2 {
  font-size: 29px;
  color: #cfd8dc;

  transition: 400ms;
}

.service h2 {
  color: #37474f;
  font-size: 27px;
  font-weight: 700;
}

.service li:hover img {
  max-width: 135px;
  transform: scale(1.0);
  transition: 300ms;
}

.service li img {
  padding: 30px;
  max-width: 120px;
}

.service li:hover p {
  color: #cfd8dc;

  transition: 300ms;
}

.description-service {
  font-size: 16px;
}

.cost-service {
  color: #37474f;
  font-size: 20px;
  font-weight: 700;
  margin-top: 10px;
}