input#password {
      position: relative;
      display: block;
      width: 100%;
      height: 60px;
      background: #fff;
      border: 3px solid #fff;
      border-radius: 20px;
      padding: 10px 20px;
      font-size: 15px;
      color: #2b3c6b;
      transition: all 500ms ease;
      }
      input#name {
      position: relative;
      display: block;
      width: 100%;
      height: 60px;
      background: #fff;
      border: 3px solid #fff;
      border-radius: 20px;
      padding: 10px 20px;
      font-size: 15px;
      color: #2b3c6b;
      transition: all 500ms ease;
      }
      * {
      margin: 0px auto;
      padding: 0px;
      text-align: center;
      font-family: 'Open Sans', sans-serif;
      }
      .cotn_principal {
      position: absolute;
      width: 100%;
      height: 100%;
      /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#cfd8dc+0,607d8b+100,b0bec5+100 */
      background: #cfd8dc; /* Old browsers */
      background: -moz-linear-gradient(-45deg,  #cfd8dc 0%, #607d8b 100%, #b0bec5 100%); /* FF3.6-15 */
      background: -webkit-linear-gradient(-45deg,  #cfd8dc 0%,#607d8b 100%,#b0bec5 100%); /* Chrome10-25,Safari5.1-6 */
      background: linear-gradient(135deg,  #cfd8dc 0%,#607d8b 100%,#b0bec5 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
      filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#cfd8dc', endColorstr='#b0bec5',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */
      }
      .cont_centrar {
      position: relative;
      float: left;
      width: 100%;
      }
      .cont_login {
      position: relative;
      width: 640px;
      left: 50%;
      margin-left: -320px;
      }
      .cont_back_info {  
      position: relative;
      float: left;
      width: 640px;
      height: 280px;
      overflow: hidden;
      background-color: #fff;
      margin-top: 20px;
      box-shadow: 1px 10px 30px -10px rgba(0,0,0,0.5);
      }
      .cont_forms {
      position: absolute;
      overflow: hidden;
      top:20px;
      left: 0px;
      width: 320px;
      height: 280px;
      background-color: #eee;
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_forms_active_login {
      box-shadow: 1px 10px 30px -10px rgba(0,0,0,0.5);
      height: 325px;  
      top:0px;
      left: 0px;
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_forms_active_sign_up {
      box-shadow: 1px 10px 30px -10px rgba(0,0,0,0.5);
      height: 325px;  
      top:0px;
      left:320px;
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_img_back_grey {
      position: absolute;
      width: 950px;
      top:-80px;
      left: -116px;
      }
      .cont_img_back_grey > img {
      width: 100%;
      -webkit-filter: grayscale(100%);     filter: grayscale(100%);
      opacity: 0.2;
      animation-name: animar_fondo;
      animation-duration: 20s;
      animation-timing-function: linear;
      animation-iteration-count: infinite;
      animation-direction: alternate;
      }
      .cont_img_back_ {
      position: absolute;
      width: 950px;
      top:-80px;
      left: -116px;
      }
      .cont_img_back_ > img {
      width: 100%;
      opacity: 0.3;
      animation-name: animar_fondo;
      animation-duration: 20s;
      animation-timing-function: linear;
      animation-iteration-count: infinite;
      animation-direction: alternate;
      }
      .cont_forms_active_login > .cont_img_back_ {
      top:0px;  
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_forms_active_sign_up > .cont_img_back_ {
      top:0px;  
      left: -435px;
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_info_log_sign_up {
      position: absolute;
      width: 640px;
      height: 280px;
      top: 35px;
      z-index: 1;
      } 
      .col_md_login {
      position: relative;
      float: left;
      width: 50%;
      }
      .col_md_login > h2 {
      font-weight: 400;
      margin-top: 70px;
      color: #757575;
      }
      .col_md_login > p {
      font-weight: 400;
      margin-top: 15px;
      width: 80%;
      color: #37474F;
      }
      .btn_login { 
      background-color: #26C6DA;
      border: none;
      padding: 10px;
      width: 200px;
      border-radius:3px;
      box-shadow: 1px 5px 20px -5px rgba(0,0,0,0.4);
      color: #fff;
      margin-top: 10px;
      cursor: pointer;
      }
      .col_md_sign_up {
      position: relative;
      float: left;
      width: 50%;  
      }
      .cont_ba_opcitiy > h2 {
      font-weight: 400;
      color: #fff;
      }
      .cont_ba_opcitiy > p {
      font-weight: 400;
      margin-top: 15px;
      color: #fff;
      }
      /* ----------------------------------
      background text    
      ------------------------------------
      */
      .cont_ba_opcitiy {
      position: relative;
      background-color: rgba(120, 144, 156, 0.55);
      width: 80%;
      border-radius:3px ;
      margin-top: 60px;
      padding: 15px 0px;
      }
      .btn_sign_up { 
      background-color: #ef5350;
      border: none;
      padding: 10px;
      width: 200px;
      border-radius:3px;
      box-shadow: 1px 5px 20px -5px rgba(0,0,0,0.4);
      color: #fff;
      margin-top: 10px;
      cursor: pointer;
      }
      .cont_forms_active_sign_up {
      z-index: 2;  
      }
      @-webkit-keyframes animar_fondo {
      from { -webkit-transform: scale(1) translate(0px);
      -moz-transform: scale(1) translate(0px);
      -ms-transform: scale(1) translate(0px);
      -o-transform: scale(1) translate(0px);
      transform: scale(1) translate(0px); }
      to { -webkit-transform: scale(1.5) translate(50px);
      -moz-transform: scale(1.5) translate(50px);
      -ms-transform: scale(1.5) translate(50px);
      -o-transform: scale(1.5) translate(50px);
      transform: scale(1.5) translate(50px); }
      }
      @-o-keyframes identifier {
      from { -webkit-transform: scale(1);
      -moz-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1); }
      to { -webkit-transform: scale(1.5);
      -moz-transform: scale(1.5);
      -ms-transform: scale(1.5);
      -o-transform: scale(1.5);
      transform: scale(1.5); }
      }
      @-moz-keyframes identifier {
      from { -webkit-transform: scale(1);
      -moz-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1); }
      to { -webkit-transform: scale(1.5);
      -moz-transform: scale(1.5);
      -ms-transform: scale(1.5);
      -o-transform: scale(1.5);
      transform: scale(1.5); }
      }
      @keyframes identifier {
      from { -webkit-transform: scale(1);
      -moz-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1); }
      to { -webkit-transform: scale(1.5);
      -moz-transform: scale(1.5);
      -ms-transform: scale(1.5);
      -o-transform: scale(1.5);
      transform: scale(1.5); }
      }
      .cont_form_login {
      position: absolute;
      opacity: 0;
      display: none;
      width: 320px;
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_forms_active_login {
      z-index: 2;  
      }
      .cont_forms_active_login  >.cont_form_login {
      }
      .cont_form_sign_up {
      position: absolute;
      width: 320px;
      float: left;
      opacity: 0;
      display: none;
      -webkit-transition: all 0.5s;
      -moz-transition: all 0.5s;
      -ms-transition: all 0.5s;
      -o-transition: all 0.5s;
      transition: all 0.5s;
      }
      .cont_form_sign_up > input {
      text-align: left;
      padding: 15px 5px;
      margin-left: 10px;
      margin-top: 20px;
      width: 260px;
      border: none;
      color: #757575;
      }
      .cont_form_sign_up > h2 {
      margin-top: 35px; 
      font-weight: 400;
      color: #fff;
      }
      .cont_form_login > input {
      padding: 15px 5px;
      margin-left: 10px;
      margin-top: 20px;
      width: 260px;
      border: none;
      text-align: left;
      color: #757575;
      }
      .cont_form_login > h2 {
      margin-top: 110px; 
      font-weight: 400;
      color: #757575;
      }
      .cont_form_login > a,.cont_form_sign_up > a  {
      color: #757575;
      position: relative;
      float: left;
      margin: 10px;
      margin-left: 30px;
      }