body {
    font-family: "Montserrat", sans-serif;
    font-size: 15px;
}

h2 {
    font-family: "Montserrat", sans-serif;
    font-size: 18px;
    font-weight: 600;
}

.w-100 {
    width: 100%;
}

.is-invalid {
    border: 2px solid red !important;
    border-radius: 4px;
}

.bloccodomanda {

}

.preloader {
  display: none;
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10000;
  text-align: center;
  background-color: rgba(31, 41, 54, 0.75);

}
.preloader .contain {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}