style.css

body {
  font-family: Arial;
  padding: 1rem;
}
h1 {
  font-size: 22px;
}
.main {
  display: flex;
  flex-direction: column;
}
.control {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.row_address {
  display: flex;
  margin-bottom: 10px;
}
.wrapper_address {
  position: relative;
  display: flex;
  width: 100vw;
}
input,
button {
  font-family: Arial;
  font-size: 12px;
  border: 1px solid #4285f4;
  padding: 8px;
  outline: none;
}
input {
  background: #fff;
  width: 100%;
}
input:focus {
  background: #fafafa;
}
input::selection {
  background: #ffecb3;
}
button {
  background: #4285f4;
  border-radius: 0;
  color: #fff;
  cursor: pointer;
}
.show_distance {
  color: #4285f4 !important;
  cursor: pointer;
  position: absolute;
  right: 0;
  height: 32px;
  font-size: 12px !important;
  padding: 0 8px 0 6px;
  top: 0;
  line-height: 32px;
  text-align: right;
  pointer-events: all !important;
  display: block;
  text-decoration: none;
}
.show_distance:hover,
.show_distance:hover .km-label {
  color: #fff !important;
  background:#4285f4;
  text-decoration: none;
}
.show_distance .km-label,
.total_distance .km-label {
  font-size: 12px !important;
  font-weight: bold;
  padding: 0 0 0 4px;
}
.show_distance .km-label.empty {
  color: red;
  font-size: 14px !important;
}
.total_distance {
  color: #4285f4 !important;
  font-size: 12px !important;
  padding: 0 8px 0 6px;
  display: inline-block;
}