.bgimg-1 {
	background-position: center;
	background-size: cover;
	min-height: 100%;
}
.w3-bar .w3-button {
	padding: 16px;
}

.hcontainer {
    position: relative;
    width: 50%;
}

.image {
    display: block;
    width: 100%;
    height: auto;
}

.overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: .5s ease;
    background-color: #f1f1f1;
  }
  
  .text {
    color: #000;
    font-size: 27px;
    position: absolute;
    width: 90%;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
  }

  .hcontainer:hover .overlay {
    opacity: 0.7;
  }