html {
  height: 100%;
  overflow: hidden;
}
body {
  background-color: #f3f3f3;
  background: url(/static/images/login/login_bg.png);
  background-size: 100% 100%;
  width: 100%;
  height: 100%;
}
.m-login-box{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}
.m-login-box h3 {
  color: #fff;
  text-align: center;
  height: 80px;
  font-size: 50px;
}
.m-login {
  width: 64%;
  background: url(/static/images/login/login_box-bg.png);
  background-size: 100% 100%;
  height: 500px;
}
.login-form-box{
  width: 47%;
  height: 75%;
  margin-top: 20px;
  margin-left: 53%;
  padding: 0px 5%;
  box-sizing: border-box;
}
.form-title{
  width: 100%;
  height: 80px;
  line-height: 80px;
  font-size: 30px;
  text-align: center;
  color: #015cab;
}

@media screen and (max-width: 750px) {
  .m-login{
    width: 100%;
  }
  .login-form-box{
    width: 100%;
    margin-left: 0px;
  }
  .m-login-box h3{
    font-size:35px
  }
}