.avgrund-container {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.avgrund-container.avgrund-active {
  display: flex;
}

.avgrund-popup {
  background: #fff;
  padding: 30px;
  max-width: 600px;
  width: 100%;
  border-radius: 10px;
  position: relative;
}

.avgrund-close {
  position: absolute;
  top: 10px; right: 15px;
  font-size: 24px;
  text-decoration: none;
  color: #333;
}