*, *:before, *:after{
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing:border-box;
  box-sizing: border-box;
}

.content-img {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: auto;
  overflow: hidden;
}

.content-img .content-img-overlay {
  background: rgba(255,255,255,0.7);
  position: absolute;
  height: 45%;
  width: 100%;
  left: 0;
  top: 55%;
  bottom: 0;
  right: 0;
  opacity: 100%;
  -webkit-transition: all 0.4s ease-in-out 0s;
  -moz-transition: all 0.4s ease-in-out 0s;
  transition: all 0.4s ease-in-out 0s;
}

.content-img:hover .content-img-overlay{
  opacity: 1;
}

.content-img-image{
  width: 100%;
 height: auto;
}

.content-img-details {
  position: absolute;
  text-align: center;
  padding-left: 1em;
  padding-right: 1em;
  width: 100%;
  top: 50%;
  left: 50%;
  opacity: 100%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  -webkit-transition: all 0.3s ease-in-out 0s;
  -moz-transition: all 0.3s ease-in-out 0s;
  transition: all 0.3s ease-in-out 0s;
}

.content-img:hover .content-img-details{
  top: 77%;
  left: 50%;
  opacity: 1;
}

.content-img-details h3{
  color: #000;
font-size: 0.75em;
  font-weight:normal;
  text-transform: uppercase;
}

.content-img-details p{
  color: #000;
  font-size: 0.75em;
}

.fadeIn-bottom{
  top: 80%;
}

	#content-flex {
	width: 100%;
	min-height: 20em;
padding-top: 1.5em;
    display: flex;  
    flex-flow: row wrap;
	}

  .container-b {

    width: 100%;
    margin: 0.5em 0em 0.5em 0em;
    
  }
    
  .container-h {
    
    width: 100%;
    margin: 0.5em 0em 0.5em 0em;
  }




	/* media screen 768 */
	
@media only screen and (min-width:768px) {

 .container-b {
  width: 44%;
  margin: 0.3em 1em 0.3em 0em;
}

.container-h {
  width: 22%;
  margin: 0.3em 1em 0.3em 0em;
} 
	#content-flex {
	width: 83%;
	}


}


	/* media screen 980 */
	
@media only screen and (min-width:980px) {
  .container-b {
    width: 30%;
    margin: 0.4em 1em 0.4em 0em;
  }
  .container-h{
    width: 15%;
      margin: 0.4em 1em 0.4em 0em;
  }
    
    
 .content-img .content-img-overlay {
  opacity: 0;
     margin-bottom: 0.4em;
    } 
    
    .content-img-details {
  opacity: 0;
}
    
  }   
    
    
	/* media screen 1200 */
	
@media only screen and (min-width:1200px) {
  .container-b {
    width: 23%;
    margin: 0.5em 1.2em 0.5em 0em;
  }
  .container-h{
    width: 11.5%;
      margin: 0.5em 1.2em 0.5em 0em;
  }