section.main {
  position: relative;
  width: 100%;
  background-image: url("../images/login-bg.jpg");
  background-size: auto 100%;
  background-position: center;
  background-repeat: no-repeat;
}
section.main .login-wrap {
  height: 100%;
  position: relative;
}
section.main .login-wrap form {
  position: relative;
  width: 100%;
  top: 25%;
}
section.main .login-wrap form .form-group {
  text-align: center;
  margin-bottom: 30px;
  position: relative;
}
section.main .login-wrap form .form-group svg {
  display: block;
  position: absolute;
  top: 50%;
  left: 23%;
  transform: translateY(-50%);
  width: 20px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  pointer-events: none;
}
section.main .login-wrap form .form-group input {
  font-size: 16px;
  padding: 15px 0;
  padding-left: 50px;
  width: 60%;
  border-radius: 10px;
  border: none;
  background-color: rgba(0, 0, 0, 0.2);
  color: #FFF;
  letter-spacing: 1px;
  outline: none;
}
section.main .login-wrap form .form-group ::-webkit-input-placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #FFF;
  opacity: 0.75;
  /* Firefox */
}
section.main .login-wrap form .form-group ::-moz-placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #FFF;
  opacity: 0.75;
  /* Firefox */
}
section.main .login-wrap form .form-group :-ms-input-placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #FFF;
  opacity: 0.75;
  /* Firefox */
}
section.main .login-wrap form .form-group ::-ms-input-placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #FFF;
  opacity: 0.75;
  /* Firefox */
}
section.main .login-wrap form .form-group ::placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #FFF;
  opacity: 0.75;
  /* Firefox */
}
section.main .login-wrap form .form-group button[type=submit] {
  width: 60%;
  display: inline-block;
  border: none;
  outline: none;
  background-color: #007aFF;
  color: #FFF;
  padding: 15px 0;
  border-radius: 10px;
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
}
section.main .login-wrap form .form-group .invalid-feedback {
  position: absolute;
  width: 100%;
  left: 0;
  text-align: center;
  bottom: -42%;
  color: red;
  font-size: 14px;
}
section.main .login-wrap form .form-group .register {
  color: #000;
  text-decoration: underline;
  font-size: 15px;
}

@media screen and (max-width: 562.5px) {
  section.main .login-wrap {
    height: 100%;
  }
  section.main .login-wrap form .form-group {
    margin-bottom: 7vw;
  }
  section.main .login-wrap form .form-group svg {
    width: 4vw;
    left: 21%;
  }
  section.main .login-wrap form .form-group input {
    padding: 3vw 0;
    padding-left: 11vw;
    font-size: 3.5vw;
    width: 65%;
  }
  section.main .login-wrap form .form-group button[type=submit] {
    font-size: 3vw;
    padding: 2.5vw 0;
    width: 65%;
  }
}