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%;
}

body {
  margin-bottom: 60px;
}
.sold-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(220, 53, 69, 0.6); /* Bootstrap red with transparency */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 15;
}

    .sold-overlay span {
        font-size: 2rem;
        font-weight: bold;
        color: white;
        text-transform: uppercase;
        letter-spacing: 3px;
        text-shadow: 2px 2px 6px rgba(0,0,0,0.4);
    }