html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

header + div[class='container']{
  min-height: calc(100vh - 125px);
  padding: 50px 15px;
}
footer{padding: 10px 0;}
.form .form-control{
  height: auto;
  padding: 20px;
  border-radius: 10px;
  margin: 10px 0 0;
}
.form .btn {
   font-size: 20px;
  padding: 15px 45px;
  border-radius: 10px;
}
.form + hr{display: none;}

/* For desktop devices */
@media (min-width: 1025px) {
    body {
        background-image: url("../images/bill.jpg");
        background-repeat: no-repeat;
        background-size: cover;
        background-blend-mode: lighten;
        background-color: rgba(255, 255, 255, 0.2);
        margin-bottom: 60px;
    }
}

/* For mobile devices */
@media (max-width: 1024px) {
    body {
        background-image: url("../images/bill.jpg");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-blend-mode: lighten;
        background-color: rgba(255, 255, 255, 0.2);
        margin-bottom: 60px;
    }
}