* {
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
}
body {
  font: 12px/1.5 'Microsoft YaHei';
}
a {
  color: #333;
  text-decoration: none;
}
.header {
  position: absolute;
  top: 20px;
  left: 40px;
}
.header img {
  width: 125px;
  height: 48px;
}
.container {
  width: 100%;
  height: 100%;
  padding: 10%;
  display: flex;
  justify-content: end;
  align-items: center;
  box-sizing: border-box;
  background-color: #999;
  background: #fff url('//s1.youxiangyouyi.com/images/bg/login_2.png') no-repeat 50% 50%;
  background-size: cover;
}
.login-box {
  padding: 40px 20px 50px;
  width: 400px;
  background: linear-gradient(180deg, #FFFFFF 0%, #edf1fb 100%);
  border: 2px solid #fff;
  border-radius: 5px;
  box-shadow: 0px 4px 10px 0px rgba(210, 210, 210, 0.25);
}
.login-box h1 {
  margin: 0 0 40px;
  color: rgba(0, 0, 0, 0.75);
  font-size: 24px;
}
.login-box .textbox {
  display: flex;
}
.login-box input {
  flex: 1;
  width: 100%;
  height: 40px;
  margin-bottom: 20px;
  padding: 0 10px;
  box-sizing: border-box;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 3px;
  font-size: 14px;
  color: #666;
  border-radius: 5px;
}
.login-box input:focus {
  border-color: #2c85ff;
  outline: none;
  box-shadow: 0 0 5px rgba(44, 133, 255, 0.5);
}
.login-box .captcha {
  margin-left: 10px;
  width: 100px;
  height: 40px;
  border-radius: 5px;
  overflow: hidden;
}
.login-box .submit {
  margin-top: 20px;
  width: 100%;
  height: 40px;
  background: #2c85ff;
  border: none;
  border-radius: 5px;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}
.login-box .submit:hover {
  background: #1a73e8;
}
.login-box .submit:focus {
  outline: none;
  box-shadow: 0 0 5px rgba(44, 133, 255, 0.5);
}
.footer {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: rgba(0, 0, 0, 0.6);
  padding-bottom: 10px;
}
.footer a {
  color: rgba(0, 0, 0, 0.6);
}