data:image/png;base64,* --- Required CSS (not customizable) --- *data:image/png;base64,

.modal {
  display: none;
}

.modal:target {
  display: flex;
}

data:image/png;base64,* --- Required CSS (customizable) --- *data:image/png;base64,

.modal {
  text-align: left;
  backdrop-filter: blur(2px);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 2rem;
  z-index: 199;
}

.modal:target {
  justify-content: space-around;
  align-items: center;
}

.modal__overlay {
  position: absolute;
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  cursor: default;
}

.modal__content {
  min-width: 320px;
  width: 100%;
  max-width: 800px;
  position: relative;
  background-color: #ffffff;
  padding: 2rem;
}

.modal__close {
  color: initial;
  text-decoration: none;
  font-size: 24px;
  position: absolute;
  top: 0;
  right: 0;
  padding: 0 1.5rem;
  display: inline-block;
}