body {
  background-color: #eeeeee;
  height: 100%;
}

#container {
  margin: 4em auto 0;
  width: 25%;
}

#principal {
  background-color: #fefefe;
  -webkit-box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
  -moz-box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
  box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
  border-radius: 2px 2px 2px 2px;
  -moz-border-radius: 2px 2px 2px 2px;
  -webkit-border-radius: 2px 2px 2px 2px;
  padding: 1em;

  .field {
    margin-bottom: 1em;

    label {
      display: block;
      margin-bottom: .25em;
    }
  }

  input[type=text], input[type=password], input[type=email] {
    font-size: 24px;
    padding: 3px;
    width: 100%;
    box-sizing: border-box;
    -webkit-box-shadow: inset 0px 1px 2px 0px rgba(0,0,0,0.7);
    -moz-box-shadow: inset 0px 1px 2px 0px rgba(0,0,0,0.7);
    box-shadow: inset 0px 1px 2px 0px rgba(0,0,0,0.7);
    border: 1px solid #ddd;
    outline: 0;
    border-radius: 0;
  }
}

.remember-me-field {
  float: left;
}

.submit-field {
  text-align: right;
}

.navigation {
  margin: 1em;

  a {
    text-decoration: none;

    &:hover {
      text-decoration: underline;
    }
  }
}

#principal, .navigation a, .navigation a:visited {
  color: #555d66;
}

#principal label, .navigation a {
  font-size: .75em;
}

#flash, #error_explanation li {
  color: black;
  background-color: white;
  padding: .75em;
  margin-bottom: 2em;
  font-size: .8em;
  -webkit-box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
  -moz-box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
  box-shadow: 1px 1px 5px 0px rgba(0,0,0,0.75);
}

.flash-alert, #error_explanation li {
  border-left: 5px solid red;
}

.flash-notice {
  border-left: 5px solid green;
}

.flash-tag {
  font-weight: bold;
}

#error_explanation {
  h2 {
    display: none;
  }

  ul {
    margin-top: 0;
    padding: 0;
  }

  li {
    list-style-type: none;
  }
}