.content_host {
font-style: normal;
font-weight: normal;
font-size: 15px;
}


    
.ui-widget-content {
    border: 0px;
}

h2.block-title.block-title {
    display: none;
}

h2.challenges {
    margin-top: 10%;
}

.col-sm-4 {
    min-height: 308px;
    margin-bottom: 6%;
}

section.block {
  margin-top: 0px;
}


/* */
.containerd {
 /* position: relative;
  width: 50%;*/
}

.image {
  opacity: 1;
  display: block;
  /*width: 100%;
  height: auto;*/
  transition: .5s ease;
  backface-visibility: hidden;
}

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.containerd:hover .image {
  opacity: 0.3;
}

.containerd:hover .middle {
  opacity: 1;
}

.text {
  background-color: #4CAF50;
  color: white;
  font-size: 11px;
  /*padding: 16px 32px;*/
}

.photof {
    float: left;
    margin-right: 2%;
}

/*---------------------------------------- POP UP */
/*---------------------------------------- POP UP */
/*---------------------------------------- POP UP */
/*---------------------------------------- POP UP */

/* 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 {
  visibility: hidden;
  background-color: #555;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 8px 0;
  position: absolute;
  z-index: 1;
  left: 26%;
  margin-left: -80px;
}

/* Popup arrow */
.popup .popuptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  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 ;}
}