/* Parent Container */
.content_img{
 position: relative;
 /* width: 200px;
 height: 200px; */
 float: left;
 margin-right: 10px;
}

/* Child Text Container */
.content_img div{
 position: absolute;
 bottom: 0;
 right: 0;
 background: black;
 color: white;
/* margin-bottom: 5px; */
 font-family: sans-serif;
 opacity: 0;
 visibility: hidden;
 -webkit-transition: visibility 0s, opacity 0.5s linear; 
 transition: visibility 0s, opacity 0.5s linear;
}

/* Hover on Parent Container */
.content_img:hover{
 cursor: pointer;
}

.content_img:hover div{
 width: 100%;
 height: 100%;
/* padding: 8px 15px; */
 visibility: visible;
 opacity: 0.7; 
 text-align: center;
 padding-top: 30%;
}