* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-weight: 300;
}
body {
  font-family: '微软雅黑', sans-serif;
  color: white;
  font-weight: 300;
}
body ::-webkit-input-placeholder {
  /* WebKit browsers */
  font-family: '微软雅黑', sans-serif;
  color: white;
  font-weight: 300;
}
body :-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  font-family: '微软雅黑', sans-serif;
  color: white;
  opacity: 1;
  font-weight: 300;
}
body ::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  font-family: '微软雅黑', sans-serif;
  color: white;
  opacity: 1;
  font-weight: 300;
}
body :-ms-input-placeholder {
  /* Internet Explorer 10+ */
  font-family: '微软雅黑', sans-serif;
  color: white;
  font-weight: 300;
}

.htmleaf-container{
  position:absolute;
  display:table-cell;
  vertical-align:middle;
  text-align:center;
  width:100%;
  height:520px;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  -webkit-transform:translate(-50%,-50%);
  -moz-transform:translate(-50%,-50%);
  -ms-transform:translate(-50%,-50%);
  background: #50a3a2;
  background: -webkit-linear-gradient(top left, #3A5FCD 0%, #FFFACD 100%);
  background: linear-gradient(to bottom right, #3A5FCD 0%, #FFFACD 100%);
}

.outer{
  position:absolute;
  display:table-cell;
  vertical-align:middle;
  text-align:center;
  width: 700px;
  height:100%;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  -webkit-transform:translate(-50%,-50%);
  -moz-transform:translate(-50%,-50%);
  -ms-transform:translate(-50%,-50%);
}


.headline {
  padding:30px 0px 10px 0px;
  font-size: 20px;
  -webkit-transition-duration: 1s;
  transition-duration: 1s;
  -webkit-transition-timing-function: ease-in-put;
  transition-timing-function: ease-in-put;
  font-weight: 200;
}

.container {
  position:absolute;
  display:table-cell;
  vertical-align:middle;
  text-align:center;
  width: 600px;
  height:400px;
  top:60%;
  left:50%;
  transform:translate(-50%,-50%);
  -webkit-transform:translate(-50%,-50%);
  -moz-transform:translate(-50%,-50%);
  -ms-transform:translate(-50%,-50%);
}

/* welcome */
.container.welcome-down h1 {
  -webkit-transform: translateY(120px);
  -ms-transform: translateY(120px);
  transform: translateY(120px);
}

.container.welcome-up h1 {
  -webkit-transform: translateY(0px);
  -ms-transform: translateY(0px);
  transform: translateY(0px);
}

/* 重新登录 */
.container .return-login {
  cursor: pointer;
}
.container.hide-return-login .return-login {
  display: none;
}

form {
  padding: 20px 0px 0px 0px;
  position: relative;
  z-index: 2;
  height: 100%;
}



/* ---------- input begin ---------- */

.c_input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  outline: 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  padding: 10px;
  margin: 10px 0 0 0;
  text-align: center;
  font-size: 18px;
  color: white;
  -webkit-transition-duration: 0.25s;
  transition-duration: 0.25s;
  font-weight: 300;
}
.c_input:hover {
  background-color: rgba(255, 255, 255, 0.4);
}
.c_input:focus {
  background-color: #ecffff;
  width: 300px;
  color: #53e3a6;
}
.c_input {
  width: 300px;
  height:50px;
}
/* ---------- input end ---------- */


/* ---------- captcha begin ---------- */
.c_captcha {
  width: 184px;
  height:50px;
  padding: 10px;
  margin: 10px 0 0 0;
  text-align: center;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  outline: 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  font-size: 18px;
  color: white;
  -webkit-transition-duration: 0.25s;
  transition-duration: 0.25s;
  font-weight: 300;
}
.c_captcha:hover {
  background-color: rgba(255, 255, 255, 0.4);
}
.c_captcha:focus {
  background-color: #ecffff;
  width: 180px;
  color: #53e3a6;
}

.i_captcha{
  vertical-align: middle;
  cursor:pointer;
  width:100px;
  height:48px;
  margin: 0 0 3px 10px;
  border-radius: 4px;
}
/* ---------- captcha end ---------- */

/* ---------- checkbox begin ---------- */
/*.out_checkbox{
  text-align: left;
  padding:0 0 0 155px;
}*/
/*input[type="checkbox"]{
  !* 清除原有样式 *!
  display: none;
}
input[type="checkbox"]+label {
  display: inline-block;
  width: 120px;
  margin: 8px 0px;
  text-align: left;
  font-size: 19px;
  -webkit-box-sizing: border-box;
}

label::before {
  content: "";
  display: inline-block;
  margin-left: 20px;
  margin-right: 10px;
  width: 30px;
  height: 30px;
  background: #EEE;
  vertical-align: middle;
  -webkit-border-radius: 20%;
  -webkit-box-sizing:border-box;
  -webkit-transition:background ease-in .5s
}

input[type="checkbox"]:hover+label::before{
  background-color: rgb(177, 243, 181);
}
input[type="checkbox"]:checked+label::before{
  background-color: rgb(53, 183, 111);
  border: 5px #EEEEEE solid;
}*/

/* ---------- checkbox end ---------- */

form .c_button {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  outline: 0;
  border: 0;
  padding: 10px;
  margin: 8px 0 0 0;
  background-color: #f4ffed;
  color: #56cb8b;
  border-radius: 10px;
  width: 300px;
  height: 50px;
  cursor: pointer;
  font-size: 18px;
  -webkit-transition-duration: 0.25s;
  transition-duration: 0.25s;
}
form .c_button:hover {
  background-color: #b2e7b7;
  color: #468d5d;
}
/*
.bg-bubbles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.bg-bubbles li {
  position: absolute;
  list-style: none;
  display: block;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.15);
  bottom: -160px;
  -webkit-animation: square 25s infinite;
  animation: square 25s infinite;
  -webkit-transition-timing-function: linear;
  transition-timing-function: linear;
}
.bg-bubbles li:nth-child(1) {
  left: 10%;
}
.bg-bubbles li:nth-child(2) {
  left: 20%;
  width: 80px;
  height: 80px;
  -webkit-animation-delay: 2s;
  animation-delay: 2s;
  -webkit-animation-duration: 17s;
  animation-duration: 17s;
}
.bg-bubbles li:nth-child(3) {
  left: 25%;
  -webkit-animation-delay: 4s;
  animation-delay: 4s;
}
.bg-bubbles li:nth-child(4) {
  left: 40%;
  width: 60px;
  height: 60px;
  -webkit-animation-duration: 22s;
  animation-duration: 22s;
  background-color: rgba(255, 255, 255, 0.25);
}
.bg-bubbles li:nth-child(5) {
  left: 70%;
}
.bg-bubbles li:nth-child(6) {
  left: 80%;
  width: 120px;
  height: 120px;
  -webkit-animation-delay: 3s;
  animation-delay: 3s;
  background-color: rgba(255, 255, 255, 0.2);
}
.bg-bubbles li:nth-child(7) {
  left: 32%;
  width: 160px;
  height: 160px;
  -webkit-animation-delay: 7s;
  animation-delay: 7s;
}
.bg-bubbles li:nth-child(8) {
  left: 55%;
  width: 20px;
  height: 20px;
  -webkit-animation-delay: 15s;
  animation-delay: 15s;
  -webkit-animation-duration: 40s;
  animation-duration: 40s;
}
.bg-bubbles li:nth-child(9) {
  left: 25%;
  width: 10px;
  height: 10px;
  -webkit-animation-delay: 2s;
  animation-delay: 2s;
  -webkit-animation-duration: 40s;
  animation-duration: 40s;
  background-color: rgba(255, 255, 255, 0.3);
}
.bg-bubbles li:nth-child(10) {
  left: 90%;
  width: 160px;
  height: 160px;
  -webkit-animation-delay: 11s;
  animation-delay: 11s;
}*/
@-webkit-keyframes square {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-700px) rotate(600deg);
    transform: translateY(-700px) rotate(600deg);
  }
}
@keyframes square {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  100% {
    -webkit-transform: translateY(-700px) rotate(600deg);
    transform: translateY(-700px) rotate(600deg);
  }
}