.helpme::after {
  content: '?';
  display: inline-block;
  font-family: sans-serif;
  text-align: center;
  width: 1.8ex;
  height: 1.8ex;
  font-size: 1.4ex;
  line-height: 1.8ex;
  border-radius: 1.2ex;
  margin-left: 4px;
  margin-right: 4px;
  padding: 1px;
  color: gray;
  background: white;
  border: 1px solid gray;
  text-decoration: none;
  position: relative;
  top: -1em;
}

.helpme:hover::after {
  color: white;
  background: gray;
  border-color: white;
  text-decoration: none;
}

/* Popup container - can be anything you want */
.popup {
  position: relative;
  display: inline-block;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* The actual popup */
.popup .popuptext, .popup .popuptextWide {
  visibility: hidden;
  width: 220px;
  
  background-color: #555;
  color: #fff;
  text-align: left;
  border-radius: 6px;
  padding: 8px 4px;
  position: absolute;
  z-index: 1;
  bottom: 150%;
  left: 71px;
  margin-left: -80px;
}

.popup .popuptextWide {
  width: 500px;
}

/* Popup arrow */
.popup .popuptext::after, .popup .popuptextWide::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 20px;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

/* Toggle this class - hide and show the popup */
.popup .show {
  visibility: visible;
  -webkit-animation: fadeIn 1s;
  animation: fadeIn 1s;
}

/* Add animation (fade in the popup) */
@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}