body {
  background-image: url("https://cdn.pixabay.com/photo/2021/01/21/09/11/mountains-5936682_960_720.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.qty .count {
  display: inline-block;
  vertical-align: top;
  font-size: 25px;
  font-weight: 700;
  line-height: 30px;
  padding: 0 2px;
  min-width: 35px;
  text-align: center;
  color: #000;
}
.qty .plus {
  cursor: pointer;
  display: inline-block;
  vertical-align: top;
  color: #fff;
  width: 30px;
  height: 30px;
  font: 30px/1 Arial, sans-serif;
  text-align: center;
  border-radius: 50%;
}
.qty .minus {
  cursor: pointer;
  display: inline-block;
  vertical-align: top;
  color: #fff;
  width: 30px;
  height: 30px;
  font: 30px/1 Arial, sans-serif;
  text-align: center;
  border-radius: 50%;
  background-clip: padding-box;
}
.minus:hover {
  background-color: #284779 !important;
  color: #fff !important;
}
.plus, .minus {
  color: #284779 !important;
  border: 0.5px solid #284779;
}
.plus:hover {
  background-color: #284779 !important;
  color: #fff !important;
}
input {
  border: 0;
  width: 2%;
}
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input:disabled {
  background-color: #fff;
}
#mainContainer {
  background-color: #fff;
  padding: 4rem;
}
h2#book {
  color: #284779;
}
p#inputAdults, p#inputKids {
  margin: 0px;
}
#submit {
  color: #fff;
  background-color: #ac192f;
  border: none;
  width: 100%;
}