* {
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  
  body {
    font: 16px Helvetica;
    background: url(img/fondo.png);
    background-color: #dcdedf;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    
  }
  
  section {
    width: 20%;
    height: 40%;
    background: rgba(255, 255, 255, 0.5);
    padding: 0 30px 30px 30px;
    margin: 60px auto;
    text-align: center;
    border-radius: 10px;
  }
  
  .Login_span {
    display: block;
    position: relative;
    margin: 0 auto;
    top: 50px;
    height: 280px;
    width: 280px;
    background: url(img/logo_black.png) center center no-repeat;
    background-size: cover;
    /*border-radius: 100%;
    box-shadow: 1px 1px 2px rgba(0,0,0,.3);*/
  }
  
  h1 {
    font-size: 24px;
    font-weight: 100;
    margin-bottom: 30px;
  }
  
  input {
    width: 100%;
    background: #f5f5f5;
    border: none;
    height: 30px;
    margin-bottom: 15px;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
    color: #7f8c8d;
    
  }
  
  input:focus {
    outline: none;
  }
  
  button {
    width: 100%;
    height: 30px;
    border: none;
    background: #00049E;
    color: #ecf0f1;
    font-weight: 100;
    margin-bottom: 15px;
    border-radius: 5px;
    transition: all ease-in-out .2s;
    border-bottom: 3px solid #00049E;
  }
  
  button:focus {
    outline: none;
  }
  
  button:hover {
    background: #2980b9;
  }
  
  h2 {
    font-size: .75em;
  }
  
  a {
    color: #2C32FF;
    text-decoration: none;
    transition: all ease-in-out .2s;
  }
  
  a:hover {
    color: #00B0F0;
  }