body {
  width: 100%;
  min-width: 560px;
  height: 100vh;
}

[data-bg="1"] {
  background: url(../img/login/img01.jpg);
}

[data-bg="2"] {
  background: url(../img/login/img02.jpg);
}

[data-bg="3"] {
  background: url(../img/login/img03.jpg);
}

[data-bg="4"] {
  background: url(../img/login/img04.jpg);
}

.err_block {
  margin-bottom: 15px;
}

[data-bg] {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: center;
      justify-content: center;
  -ms-flex-align: center;
      align-items: center;
}
[data-bg]:after {
  content: "";
  width: 100vw;
  height: 100vh;
  background: rgba(76, 89, 116, 0.3);
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 1;
}
[data-bg] > section {
  margin: auto;
  padding: 32px;
  width: 560px;
  display: block;
  background: #fff;
  position: relative;
  z-index: 2;
  border-radius: 16px;
  box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.3);
}
[data-bg] > section h1 {
  margin: 0 auto;
  padding: 0 0 24px 0;
  width: 30%;
}
[data-bg] > section form input {
  padding: 16px 8px !important;
}
[data-bg] > section form input.err {
  border: solid 4px #d7003a !important;
}
[data-bg] > section form > ul li {
  margin: 16px 0 0 0;
}
[data-bg] > section form > ul li:first-child {
  margin: 0;
}
[data-bg] > section form > ul li:last-child {
  margin: 40px 0 0 0;
}
[data-bg] > section form > ul li p {
  text-align: right;
  font-size: 14px;
}
[data-bg] > section form > ul li p a {
  text-decoration: underline;
}