body {
  height: 100vh;
  background: url("../images/beijing1.png") no-repeat 100% 100%;
  background-size: cover;
  overflow: hidden;
  box-sizing: border-box;
  padding-top: 200px;
}

.wrapper {
  display: flex;
  justify-content: center;
}

.loginContainer {
  padding: 20px;
  width: 80%;
  max-width: 500px;
  border: 1px solid #dedede;
  background-color: #fff;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

form {
  display: flex;
  flex-direction: column;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  margin-bottom: 20px;
  padding: 5px 10px;
  border-radius: 2px;
  border: 1px solid #dedede;
  background-color: #f2f2f2;
}

input[type="submit"] {
  background-color: #0099ff;
  color: #fff;
  border: none;
  border-radius: 2px;
  margin-bottom: 10px;
}