section {
  width: 1150px;
  height: 549px;
  margin: 50px auto;
  position: relative;
  left: 0;
  border-radius: 30px;
}

#main_img_bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 350px;
  height: 549px;
  border-radius: 30px 0 0 30px;
  background: url(../img/login_img.jpg) no-repeat center center;
  background-size: cover;
}

#main_content {
  width: 630px;
  position: absolute;
  right: 0;
  top: 25%;
}

#login_box {
  width: 400px;
}

#login_title span {
  font-size: 27px;
  font-weight: bold;
}

#login_form {
  margin-top: 20px;
}

#login_form li {
  margin-top: 10px;
  padding: 5px;
  box-sizing: border-box;
  border: 1px solid #789789;
}

#login_form input {
  width: 100%;
  height: 30px;
}

#login_form #login_btn {
  float: right;
  margin-top: 15px;
  margin-bottom: 50px;
}