body{
  background:#81DAF5;
  font-size: 10px;
  font-family: Arial;
  padding: 44px;
  text-align: center;
}

div{
  background: white;
}

h1{
  font-size:35px; 
  text-shadow: 1.5px 1px 1px rgba(0,0,0,0.5);
}

h2{
  font-size:12px;
  padding: 30px;
}

nav ul {
  list-style-type: none;
  display: flex; flex-direction: row;
}

nav ul li{
  flex-grow: 1;
}

nav ul li a {
  display:block; 
  padding: 8px;
  background: #ccc; 
  margin-bottom: 4px;
  text-decoration:none;
}

nav ul li a: hover{
  background-color:LightCoral;
}


.img{
  border-radius: 5px;
}


.div tab {
  display: none;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.4);
}


.div tab:target {
  display: table;
  position: absolute;
}

/* The modal box */
.div tab-dialog {
  display: table-cell;
  vertical-align: middle;
}


.div tab-dialog .div tab-content {
  margin: auto;
  background-color: #f3f3f3;
  position: relative;
  padding: 0;
  outline: 0;
  border-style: 1px #777 solid;
  text-align: justify;
  width: 80%;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.div style {
  display: none;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.4);
}


.div style:target {
  display: table;
  position: absolute;
}


.div style-dialog {
  display: table-cell;
  vertical-align: middle;
}


.div style-dialog .div style-content {
  margin: auto;
  background-color: #f3f3f3;
  position: relative;
  padding: 0;
  outline: 0;
  border-style: 1px #777 solid;
  text-align: justify;
  width: 80%;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}