.overlay {
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 1;
visibility: hidden;
background-color: rgba(0, 0, 0, 0.7);
opacity: 0;
position: fixed;
cursor: default; 
-webkit-transition: opacity .5s;
-moz-transition: opacity .5s;
-ms-transition: opacity .5s;
-o-transition: opacity .5s;
transition: opacity .5s;
}
.overlay:target {
visibility: visible;
opacity: 1;
}
embed, iframe {
top: 0;
right: 0;
bottom: 0; 
left: 0; 
display:block;
margin: auto;
min-width: 320px;
max-width: 600px;
width: 100%;
}
.popup {
top: 0;
right: 0;
left: 0;
font-size: 14px;
z-index: 10;
display: block;
visibility: hidden;
margin: 0 auto;
width: 90%;
min-width: 320px;
max-width: 400px;
position: fixed;
padding: 10px;
border: 1px solid #383838;
background-color: #23252c;
opacity: 0;
-webkit-transition: all ease .5s;
-moz-transition: all ease .5s;
-ms-transition: all ease .5s;
-o-transition: all ease .5s;
transition: all ease .5s;
}
.overlay:target+.popup {
top: 20%;
visibility: visible;
opacity: 1;
}
.close {
position: absolute;
top: -10px;
right: -10px;padding: 0;
width: 40px;
height: 40px;
border: 2px solid #fff;
-webkit-border-radius: 30px;
-moz-border-radius: 30px;
-ms-border-radius: 30px;
-o-border-radius: 30px;
border-radius: 30px;
background-color: #f00;
text-align: center;
text-decoration: none;
font-weight: bold;
line-height: 34px;
-webkit-transition: all ease .8s;
-moz-transition: all ease .8s;
-ms-transition: all ease .8s;
-o-transition: all ease .8s;
opacity: 1;
transition: all ease .8s;
}
.close:before {
color: rgba(255, 255, 255, 0.9);
content: "X";
text-shadow: 0 -1px rgba(0, 0, 0, 0.9);
font-size: 18px;
}
.close:hover {
-webkit-transform: rotate(360deg);
-moz-transform: rotate(360deg);
-ms-transform: rotate(360deg);
-o-transform: rotate(360deg);
transform: rotate(360deg);    
}
.popup p, .popup div {
margin-bottom: 10px;
}