body {
  margin: 0px;
}

#ad {
  display: block;
  overflow: hidden;
  width: 300px;
  height: 250px;
  -moz-user-select: -moz-none;
  -khtml-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  color: #363636;
}

#banner {
  position: relative;
  display: block;
  width: 300px;
  height: 250px;
  background: url('../images/300x250_OrangeGreenSN.png') no-repeat;
  overflow: hidden;
  border: #efefef 1px solid;
}

.input {
  background: white;
  border: transparent;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 28px;
  padding: 0 0px;
  position: absolute;
  height: 40px;
  top: 110px;
  text-align: center;
  outline: none;
}

.input.area {
  left: 54px;
  width: 55px;
}

.input.firstN {
  left: 130px;
  width: 55px;
}

.input.lastN {
  left: 203px;
  width: 72px;
}

.button {
  background-color: transparent;
  border: none;
  outline: none;
  position: absolute;
  top: 181px;
  left: 57px;
  height: 54px;
  width: 185px;
  cursor: pointer;
}