*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  background-image: url("../img/airline.jpg");
  background-color: blue;
  background-repeat: no-repeat;
  background-size: cover;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 15px;
}
nav{
  display: block;
  height: 90px;
  width: 100%;
  background-color:#183955;
  padding: 10px 15px;
  border-bottom: 2px solid white;
}
nav > img{
  position: relative;
  bottom: 15px;
}
nav ul{
  display: inline-block;
  list-style-type: none;
  position: relative;
  left: 25%;
  bottom: 15px;
  margin: 0 auto;
}
nav ul li{
  display: inline-flex;
  margin: 10px 10px;
  color: white;
}
nav ul li a{
  display:inline-flex;
  text-decoration:none;
  color: white;
  height: 20px;
}
nav ul li a img{
  float: left;
  margin: 1px 5px;
}
.homePage{
  color:#018d80
}
main{
  color: white;
}
.box{
  position: absolute;
  border-radius: 10px;
  z-index: 1;
  background-color: #183955;
  width: 25%;
  left: 5%;
  top: 25%;
  height: 40%;
}
.logos{
  height: 15%;
  width: 100%;
}
.topLogo{
  float: left;
  width: 33.3%;
  height: 100%;
  background: #018d80;
  color:black;
}
.center{
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
}
.otherLogo{
  background-color: #0063b7;
}
.bluePart{
  top: 15%;
}
.flight{
  float: left;
  padding: 10px;
  width: 50%;
  height: 45%;
}
.flight input{
  background-color: inherit;
  color: white;
  height: 30%;
  width: 100%;
  border-radius: 5px;
  margin: 7% auto;
  padding: 10px;
}
.passenger{
  display: inline-flex;
  width: 100%;
  height: 20%;
  padding: 5% 10px;
}
.passenger input[type="number"]{
  border: 1px solid white;
  background-color: inherit;
  color: white;
  height: 20px;
  width: 20%;
  border-radius: 10%;
  margin: 0 10px;
  padding: 10px;
}
.passenger input[type="radio"]{
  margin: 5px auto;
}
.search{
  height: 20%;
  width: 100%;
  padding: 10px;
}
.search input[type="submit"]{
  width: 100%;
  height: 100%;
  border-radius: 5px;
  border: none;
  background-color: #0063b7;
  color: white;
  font-size: 15px;
  cursor: -webkit-grab;
}