body, html {
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background-color:#222;
  color:#fff;
  overflow:hidden;
  outline-style: none;
  text-align:center;
  font-family: 'Open Sans', sans-serif;
  font-size:16px;
  text-shadow: 1px 1px 1px #000000, 1px 1px 0px #000000;
}

@media screen and (min-width: 600px) {
  body {
    font-size: calc(16px  +  4  * ((100vw -  600px ) / 800 ));
  }
}
@media screen and (min-width: 1400px) {
  body {
    font-size: 20px;
  }
}
.circle-nav{
  display:block;
  position: absolute;
  width:calc(100% - 40px);
  text-align: center;
  margin:0 20px;
  box-sizing:border-box;
}
.circle{
  display:inline-block;
  text-decoration: none;
  color:white;
  width:15vw;
  height:15vw;
  margin:1vw;
  min-width:160px;
  min-height:160px;
  border-radius:50%;
  vertical-align: middle;
  box-shadow: 0px 8px 10px 0px #666;
  transition: all 0.8s;
  outline-style: none;
}
.circle:hover{
  margin-top: 0vw;
  box-shadow: 0px 10px 20px #444;
  transition:all 0.5s;
  width:16vw;
  height:16vw;
  min-width:170px;
  min-height:170px;
}

.nav-block{
  display:inline-block;
  top:0px;
  height:16vw;
  min-height:200px;
  text-align: center;
  vertical-align:middle;
}

.nav-block-main{
  display:inline-block;
  top:0px;
  height:22vw;
  min-height:250px;
  text-align: center;
  vertical-align:middle;
}

.circle1, #circle1-overlay .overlay-circle{
  background-color:#4286f4;
}

.circle2, #circle2-overlay .overlay-circle{
  background-color:#EE4266;
}

.circle3, #circle3-overlay .overlay-circle{
  background-color:#FFD23F;
}

.circle4, #circle4-overlay .overlay-circle{
  background-color:#0EAD69;
}

.circle-main:hover{
  margin-top:0vw;
  width:21vw;
  height:21vw;
  min-width:200px;
  min-height:200px;
}

.circle-main{
  display:block;
  text-align:center;
  margin: 0 auto;
  margin-top:1vw;
  background-color:#111;
  width:20vw;
  height:20vw;
  min-width:180px;
  min-height:180px;
  overflow:hidden;
  border-radius:50%;
  background-image: url(//justmetoby.com/img/toby.jpg);
  background-size: cover;
}

.circle-main h1{
  text-align:center;
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size:2.5rem;
}

p{
  padding:5px;
}

h2{
  font-size:1.5rem;
  padding:15px;
  
}

.circle h2{
  text-align:center;
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.overlay {
  position:absolute;
  width:100vw;
  height:0vh;
  left:0;
  background-color:#222;
  opacity:0;
  outline-style: none;
  transition: opacity 1100ms ease 0ms;
  z-index:100;
}

.overlay:target{
  visibility:visible;
  top:0;
  height:100vh;
  opacity:1;
  outline-style: none;
  transition: opacity 600ms ease 100ms;
}

.overlay .bg-close{
  display: block;
  width:100%;
  height:100%;
}

.overlay-position{
  position:absolute;
  display:block;
  top: 0;
  left:50%;
  overflow: visible;
  height:0px;
  outline-style: none;
  transform: translate(-50%, 0);
}

.overlay-circle {
  width:100vw;
  height:100vw;
  max-width:100vh;
  max-height:100vh;
  display:block;
  opacity:1;
  background-color: red;
  overflow:hidden;
  border-radius:50%;
  z-index:1000;
  transition: transform 600ms cubic-bezier(0.68, -0.55, 0, 1);
  outline-style: none;
	transform: scale3d(0.0, 0.0, 1);
}

.overlay:target .overlay-circle {
  transition: transform 1000ms cubic-bezier(0, 0, 0.265, 1.55);
  outline-style: none;
	-webkit-transform: scale3d(1, 1, 1);
	transform: scale3d(1, 1, 1);
}

.overlay-content{
  position:absolute;
  display:block;
  width:70%;
  height:70%;
  max-width:70%;
    max-height:70%;
  z-index:1010;
    overflow-x: hidden; /* Hide horizontal scrollbar */
    overflow-y: auto; /* Add vertical scrollbar */
    opacity: 0;
  background-color:transparent;
  color:white;
  text-decoration:none;
  line-height:26px;;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 200ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.overlay-content a{
  text-decoration:none;
  color:inherit;
}

.overlay-content a:hover{
  text-decoration:underline; 
}

.overlay:target .overlay-content {
    opacity: 1;
  transition: opacity 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55) 800ms;
}

.overlay-close{
	position: absolute;
  background-color:rgba(256,256,256,0.9);
  border-radius:50%;
	z-index: 1101;
	top: 15%;
	right: 15%;
	color: #222;
	-webkit-transition: -webkit-transform 0.1s, opacity 0.1s, color 0.1s;
	transition: transform 0.1s, opacity 0.1s, color 0.1s;
	font-size: 1.5em;
	line-height: 54px;
	width: 32px;
	height: 32px;
	margin: 0;
	padding: 0;
	text-align: center;
	border: none;
	text-decoration: none;
	opacity: 0;
	-webkit-transform: scale3d(0.3, 0.3, 1);
	transform: scale3d(0.3, 0.3, 1);
	-webkit-transition-delay: 0s;
	transition-delay: 0s;
}

.overlay:target .overlay-close{
  
	opacity: 1;
	-webkit-transform: scale3d(1, 1, 1);
	transform: scale3d(1, 1, 1);
	-webkit-transition-delay: 0.5s, 0.5s, 0s;
	transition-delay: 0.5s, 0.5s, 0s;
}

.xclose {
  position: absolute;
  right: 32px;
  top: 32px;
  width: 32px;
  height: 32px;
  opacity: 0.3;
}
.xclose:hover {
  opacity: 1;
}
.close:before, .close:after {
  position: absolute;
  left: 15px;
  top:4px;
  content: ' ';
  height: 25px;
  width: 3px;
  background-color: #444;
}
.close:before {
  transform: rotate(45deg);
}
.close:after {
  transform: rotate(-45deg);
}

.circle-wrap{
  display:inline-block;
  width:17vw;
  height:17vw;
  margin:1vw;
  min-width:170px;
  min-height:170px;
  text-align:center;
  vertical-align:middle;
  
}

@media only screen and (orientation: landscape) and (max-width: 789px) and (max-height: 629px) {

  
  .circle-nav{
  display:block;
  position: absolute;
    top:0;
    left:0;
    bottom:0;
    right:0;
  text-align: center;
  margin:0;
  box-sizing:border-box;
}
.circle{
  display:block;
  position:absolute;
  bottom:0;
  text-decoration: none;
  color:white;
  width:25vw;
  height:30vh;
  margin:0px!important;
  min-width:0px;
  min-height:0px;
  border-radius:0%;
  box-shadow: none;
  transition: all 0.8s;
  outline-style: none;
  z-index:10;
}
.circle:hover{
  margin-top: 0vw;
  box-shadow: 0px 10px 20px #444;
  transition:all 0.5s;
  width:25vw;
  height:36vh;
  min-width:0px;
  min-height:0px;
  z-index:20;
}

.nav-block-main{
  display:block;
  position:absolute;
  top:0px;
  height:22vw;
  width:100vw;
  min-height:0px;
  text-align: center;
  vertical-align:middle;
}

.circle-main{
  position:relative;
  top:0px;
  display:inline-block;
  text-align:center;
  margin: auto 0;
  margin-top:1vw;
  background-color:#111;
  width:20vw;
  height:20vw;
  min-width:180px;
  min-height:180px;
  overflow:hidden;
  border-radius:50%;
  background-image: url(https://gravatar.com/avatar/3d1be6beaa50af5eb9ef3d4241d81fba?s=512&d=https://codepen.io/assets/avatars/user-avatar-512x512-6e240cf350d2f1cc07c2bed234c3a3bb5f1b237023c204c782622e80d6b212ba.png);
  background-size: cover;
}

.circle-main:hover{
  margin-top:0vw;
  width:21vw;
  height:21vw;
  min-width:200px;
  min-height:200px;
}

.circle1{
  left:0vw;
}

.circle2{
  left:25vw;
}

.circle3{
  left:50vw;
}

.circle4{
  left:75vw;
}

}

@media only screen and (max-width: 395px), (orientation: landscape) and (max-height: 395px) {

      .overlay-content{
        overflow-x: auto;
        width:100%;
        height:100%;
        max-width:100%;
        max-height:100%;
        top:0;
        left:0;
        padding:20px;
        padding-top:32px;
  transform: translate(0, 0);
        box-sizing: border-box;
      }

.overlay-circle {
  position:absolute;
  top:0;
  left:0;
  width:100vw;
  height:100vh;
    max-width: 120vw;
    max-height: 120vh;
  border-radius:0%;
}
.overlay-position{
  position:absolute;
  display:block;
  top: 0;
  left:0;
  overflow: visible;
  height:0px;
  outline-style: none;
  transform: translate(0, 0);
}

.overlay-close{
  border-radius:50%;
	top: 0;
	right: 0;
	-webkit-transition: -webkit-transform 0.1s, opacity 0.1s, color 0.1s;
	transition: transform 0.1s, opacity 0.1s, color 0.1s;
	font-size: 1.5em;
	line-height: 54px;
	width: 32px;
	height: 32px;
	margin: 3px;
	padding: 0;
	text-align: center;
	border: none;
	text-decoration: none;
	opacity: 0;
	-webkit-transform: scale3d(0.3, 0.3, 1);
	transform: scale3d(0.3, 0.3, 1);
	-webkit-transition-delay: 0s;
	transition-delay: 0s;
}

.overlay:target .overlay-close{
  
	opacity: 1;
	-webkit-transform: scale3d(1, 1, 1);
	transform: scale3d(1, 1, 1);
	-webkit-transition-delay: 1s, 1s, 1s;
	transition-delay: 1s, 1s, 1s;
}
  
  .circle-nav{
  display:block;
  position: absolute;
    top:0;
    left:0;
    bottom:0;
    right:0;
    width:auto;
  text-align: center;
  margin:0;
  box-sizing:border-box;
}
.circle{
  display:block;
  position:absolute;
  left:0;
  right:0;
  text-decoration: none;
  color:white;
  width:100vw;
  height:16vh;
  margin:0px!important;
  min-width:100vw;
  min-height:16vh;
  border-radius:0%;
  box-shadow: none;
  transition: all 0.8s;
  outline-style: none;
  z-index:10;
}
.circle:hover{
  box-shadow: 0px 10px 20px #444;
  transition:all 0.5s;
  display:block;
  position:absolute;
  left:0;
  right:0;
  text-decoration: none;
  color:white;
  width:100vw;
  height:16vh;
  margin:0px!important;
  min-width:100vw;
  min-height:16vh;
  border-radius:0%;
  z-index:20;
}

.nav-block-main{
  display:block;
  position:absolute;
  top:0px;
  height:22vw;
  width:100vw;
  min-height:0px;
  text-align: center;
  vertical-align:middle;
}

.circle-main{
  position:relative;
  top:0px;
  display:inline-block;
  text-align:center;
  margin: auto 0;
  margin-top:1vw;
  background-color:#111;
  width:20vw;
  height:20vw;
  max-width:20vh;
  max-height:20vh;
  min-width:150px;
  min-height:150px;
  overflow:hidden;
  border-radius:50%;
  background-image: url(https://gravatar.com/avatar/3d1be6beaa50af5eb9ef3d4241d81fba?s=512&d=https://codepen.io/assets/avatars/user-avatar-512x512-6e240cf350d2f1cc07c2bed234c3a3bb5f1b237023c204c782622e80d6b212ba.png);
  background-size: cover;
  z-index:2;
}

.circle-main:hover{
  margin-top:0vw;
  margin: auto 0;
  width:21vw;
  height:21vw;
  max-width:21vh;
  max-height:21vh;
  min-width:160px;
  min-height:160px;
  border-radius:50%;
  position:relative;
  display:inline-block;
  z-index:2;
}

.circle1{
  bottom:48vh;
}

.circle2{
  bottom:32vh;
}

.circle3{
  bottom:16vh;
}

.circle4{
  bottom:0vh;
}

}

@media only screen and (orientation: landscape) and (max-height: 395px) {
  

.circle-main{
  min-width:90px;
  min-height:90px;
}

.circle-main:hover{
  min-width:90px;
  min-height:90px;
}

.circle-main h1{
  font-size:22px;
}

.circle h2{
  font-size:18px;
}
  
}