* {
  margin: 0;
  padding: 0;
}
html,
body {
  width: 100%;
  height: 100%;
}
.clearfix {
  content: "";
  display: block;
  clear: both;
}
#login {
  width: 100%;
  height: 100%;
  position: relative;
}
#login .bg {
  width: 100%;
  height: 100%;
  background: url("../image/shenlan.jpg") no-repeat;
  position: relative;
  background-size: cover;
}
#login .box {
  width: 500px;
  margin: auto;
  position: absolute;
  top: 45%;
  left: 0;
  right: 0;
  transform: translateY(-45%);
}
#login .box h2 {
  text-align: center;
  font-size: 40px;
  color: #fff;
  padding-bottom: 40px;
  font-family: Arial;
}
#login .box .boxInput {
  width: 100%;
  position: relative;
  margin-bottom: 60px;
}
#login .box .boxInput input {
  width: 100%;
  color: #fff;
  padding: 16px 10px;
  background: none;
  border: 0;
  border-bottom: 1px solid #fff;
  border-left: 1px solid #fff;
  border-right: 1px solid #fff;
  border-top: none;
  -webkit-appearance: none;
  outline: none;
  margin-bottom: 15px;
  box-sizing: border-box;
  font-size: 16px;
}
#login .box .boxInput input::-webkit-input-placeholder {
  color: #fff;
  font-family: Arial;
}
#login .box button {
  margin-top: 30px;
  width: 100%;
  padding: 12px 15px;
  box-sizing: border-box;
  background: #fff;
  border: 1px solid #fff;
  color: #000;
  text-align: center;
  font-size: 16px;
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
}
#login .box button:hover {
  background: none;
  color: #fff;
}
#login .footer {
  width: 100%;
  height: 30px;
  line-height: 30px;
  text-align: center;
  background: rgba(255, 255, 255, 0.7);
  position: absolute;
  left: 0;
  bottom: 0;
  color: #666;
  font-size: 13px;
}
#login .footer a {
  text-decoration: none;
  color: #000;
}
#login .footer a:hover {
  border-bottom: 1px solid #000;
}