.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  overflow-x: hidden;
  overflow-y: auto;
}

.modal-content {
  background-color: #fefefe;
  margin: 25px auto;
  padding: 20px;
  border: 1px solid #888;
  width: 800px;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover, .close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}

.block {
  display: block;
}

.checkbox a {
  text-align: justify;
  display: flex;
}

.ml-4 {
  margin-left: 1em;
}