body,
html {
  height: 100%;
  background: url(../img/background-main-light.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  font-family: "Roboto", sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
}


input.invalid,select.invalid {
    background-color: #ffdddd;
  }