body {
  /* background-color: #f1f1f1; */
  background-image: url("../images/21.jpg");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}
.loginForm {
  position: relative;
  left: -330px;
}
form {
  /* background-color: #fff; */
  /* opacity: 1; */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Helvetica, "PingFag SC", "Microsoft YeHei", sans-serif;
}
li {
  list-style: none;
}
a {
  text-decoration: none;
}
input {
  outline: none;
}
body {
  /* background-color: #f1f1f1; */
  background-image: url("../images/21.jpg");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}
i:hover {
  cursor: pointer;
}
.loginForm {
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  width: 100vw;
  justify-content: center;
  /* min-height: 750px; */
  text-align: center;
  font-size: 14px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
h2 {
  position: relative;
  font-size: 22px;
  left: -120px;
  width: 80px;
  height: 45px;
  border-bottom: 2px solid rgb(255, 255, 255);
  font-weight: 500;
  margin-bottom: 30px;
  color: #5c5a5a;
}
form {
  /* flex: 1; */
  position: relative;
  width: 360px;
  height: 370px;
  /* width: 35%; */
  /* margin: 60px */
  /* margin: 200px auto 0; */
  /* padding: 80px; */
  background-color: rgb(29, 28, 28, 0.6);
  /* opacity: 0.5; */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 4px;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.3);
  vertical-align: middle;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 30px 0;
  /* margin: 0 auto; */
}

form .input-num {
  flex: 1;
  position: relative;
  width: 80%;
  left: -10px;
  margin-bottom: 10px;
}
form .input-num input {
  /* flex: 1; */
  width: 90%;
  height: 40px;
  margin-bottom: 10px;
  padding: 4px 12px 4px 35px;
  border: 1px solid #c7c7c7;
  border-radius: 4px;
  background: inherit;
  /* background-color: hsla(0, 0%, 71%, 0.1); */
  opacity: 0.9;
  /* background-color: #f8f8ff; */
  vertical-align: middle;
  color: #fff;
  opacity: 1;
}
input::-webkit-input-placeholder {
  /* WebKit, Blink, Edge */
  color: #fff;
}
input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #fff;
}
input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #fff;
}
input:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: #fff;
}
.about {
  flex: 1;
  width: 70%;
  float: left;
  margin: 15px 0;
  position: relative;
  top: -20px;
  padding: 10px;
  font-size: 13px;
}
.error {
  flex: 1;
  position: relative;
  top: 500px;
  /* position: absolute; */
  /* top: 0px; */
  color: red;
}
.remember-btn {
  float: left;
}
.forget-btn {
  float: right;
}
.signInButton {
  /* flex: 1; */
  position: relative;
  width: 84%;
  height: 45px;
  padding: 9px 18px;
  top: -20px;
  font-size: 18px;
  /* background-color: #5352ed; */
  background-color: rgba(71, 71, 204, 0.8);
  background-color: rgb(255, 255, 255, 0.3);
  border: none;
  border-radius: 25px;
  color: #fff;
  cursor: pointer;
  display: block;
  clear: both;
  outline: none;
}
.signInButton:hover {
  background-color: rgb(9, 114, 9, 0.5);
}

.account {
  position: relative;
}
.psw {
  position: relative;
}
.account i {
  position: absolute;
  float: left;
  width: 80px;
  font-size: 23px;
  margin-top: 10px;
  margin-left: -280px;
  opacity: 1;
}
.psw i {
  position: absolute;
  float: left;
  width: 80px;
  font-size: 21px;
  margin-top: 10px;
  margin-left: -280px;
  opacity: 1;
}