* {
    margin: 0px auto;
    padding: 0px;
    font-family: 'Open Sans', sans-serif;
  }
  .cont_principal {
    position: absolute;
    width: 100%;
    height: 100%;
  /* Rectangle 3: */
  background-image: linear-gradient(-87deg, #F2F5F6 0%, #DDE5E8 100%);
  }
  
  .cont_centrar {
    position: absolute;
    width: 320px;
    left:50%;
    top:50%;
    margin-left: -160px;
    margin-top: -160px;
  }
  
  .cont_centrar {
    position: relative;
    width: 320px;
    float: left;
    background-image: linear-gradient(-226deg, #FFFFFF 8%, #EEF3F5 100%);
  
    border-radius: 8px;
  transition: all 0.5s;
  }
  
  .cent_active {
      box-shadow: 5px 5px 10px 0px rgba(0,0,0,0.21);
  }
  
  
  .cont_tabs_login {
  position: relative;
    float: left;
    width: 100%;
  }
  
  .ul_tabs > li { 
  position: relative;
    float: left;
    width: 50%;
    list-style: none;
    text-align: center;
  
  }
  
  .ul_tabs > li > a  {  
  text-decoration: none;
  font-family: Helvetica;
  font-size: 16px;
      color: #999;
  line-height: 14px;
  padding: 20px ;
  display: block;
  transition: all 0.5s;
  }
  
    .ul_tabs > .active > a  {  
  color: #FF8383;
  
  }
  
  .linea_bajo_nom {
    position: relative;
    width: 100%;
    float: left;
    background-color: #999;
    height: 2px;
  }
  
  .active .linea_bajo_nom {
    position: relative;
    width: 100%;
    float: left;
  background-color: #FF8383;
  height: 2px;
  }
  
  .cont_text_inputs {
  position: relative;
    float: left;
    width: 100%;
    margin-top: 20px;
  }
  
  .input_form_sign {
    position: relative;
    float: left;
    width: 90%;
    border: none;
    border-bottom: 1px solid #B0BEC5 ;
    background-color: transparent;
    font-size: 14px;
    outline: none;
    transition: all 0.5s;
      height: 0px;
      margin: 0px;
      padding: 0px;  
  opacity: 0;
  display: none;
  }
  
  .active_inp {
    margin: 5% 5% ;  
    padding: 10px 0px;
    opacity: 1;
  height: 5px;
  }
  
  
  
  .input_form_sign:focus {
    border-bottom: 1px solid #FF8383 ;}
  
  .link_forgot_pass {
  position: relative;
    margin-top: 0px;
    margin-left: 30%;
    text-decoration: none;
    color: #999;
    font-size: 13px;
    display: none;
    float: left;
    transition: all 0.5s;
  }
  .cont_btn {
    position: relative;
    float: left;
  }
  
  .btn_sign {
    background: rgba(255,64,88,0.74);
    box-shadow: 0px 2px 20px 2px rgba(255,114,132,0.50);
    border-radius: 8px;
    padding: 15px 30px;
    border: none;
    color: #fff;
    font-size: 14px;
    position: relative;  
    float: left;
    margin-left: 100px;
    margin-top: 20px;
    margin-bottom: 20px;
    cursor: pointer;
  }
  
  .terms_and_cons {
    width: 70%;  
    color: #999;
    font-size: 13px;
    transition: all 0.5s;
  }
  
  .d_none {
    display: none;
  }
  
  .d_block {
    display: block;
  }
  
  .cont_text_inputs > input:nth-child(1){
    transition-delay: 0.2s;
  }
  
  .cont_text_inputs > input:nth-child(2){
    transition-delay: 0.4s;
  }
  .cont_text_inputs > input:nth-child(3){
    transition-delay: 0.6s;
  }
  .cont_text_inputs > input:nth-child(4){
    transition-delay: 0.8s;
  }