h3 {
  text-align: center;
  font-family: Tahoma, Arial, sans-serif;
  color: #ca5e05;
  margin: 80px 0;
  font-size:xx-large;
}

.box {
  width: 40%;
  margin: 0 auto;
  background: rgba(255,255,255,0.2);
  padding: 35px;
  border: 2px solid #fff;
  border-radius: 20px/50px;
  background-clip: padding-box;
  text-align: center;
}

.button {
  font-size: 1em;
  padding: 10px;
  color: #fff;
  border-radius: 20px/50px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease-out;
}

.overlay {
  margin-top: 6rem;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
}
.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  margin: 70px auto;
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  width: 50%;
  position: relative;
  transition: all 5s ease-in-out;
}

.popup h3 {
  margin-top: 0;
  color: #333;
  font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup .close:hover {
  color: #06D85F;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
}

@media screen and (max-width: 700px){
  .box{
    width: 70%;
  }
  .popup{
    width: 70%;
  }
}

/*GrayScale*/
#grayscale img {
	-webkit-filter: grayscale(100%);
	filter: grayscale(100%);
	-webkit-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}
#grayscale:hover img {
	-webkit-filter: grayscale(0);
	filter: grayscale(0);
}

/*With Simple Caption*/
.caption {
	position: relative;
}
.caption .text {
		position: absolute;		
    top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		z-index: 10;
    opacity: 0;
    transition: all 0.8s ease;			
}
.caption .text h1 {		
		margin: 0;		
		color: rgb(255, 255, 255);
    font-size: xx-large;
    font-style: oblique;
    font-weight:900;
    -webkit-text-stroke-width: 2px;
    -webkit-text-stroke-color: black;
}
.caption:hover .text {
	opacity: 1;
}