index.css

.trip-sorter {
  width: 200px;
  padding: 20px;
  margin: 10px auto;
  background-color: white;
  border: 3px solid;
  font-family: Arial;
  border-radius: 20px;
}

.trip-sorter__title {
  margin-top: 0;
  margin-bottom: 15px;
}

.select {
  margin-bottom: 10px;
}
.select select {
  height: 30px;
  width: 200px;
}
.switcher {
  overflow: hidden;
  margin-bottom: 10px;
}
.switcher__item {
  cursor: pointer;
  float: left;
  width: 49%;
  margin-right: -1px;
  padding: 15px 0;
  text-align: center;
  border: 1px solid #000;
}
.switcher__item_active {
  background: #000;
  color: #fff;
}
.button button {
  width: 100%;
  height: 40px;
  font-size: 18px;
  cursor: pointer;
}

.result {
  padding: 10px;
  border: 1px solid rgba(0, 0, 0, 0.3);
  margin: 0 0 10px;
  position: relative;
}
.result .description {
  margin-top: 3px;
  padding-top: 3px;
  border-top: 1px dashed rgba(0, 0, 0, 0.3);
  font-size: 14px;
}
.result .price {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 25px;
  color: darkred;
  font-weight: bold;
}
.error {
  padding: 5px 0;
  text-align: center;
}