.zi img {
	height: 128px;
    text-align: center;
	-webkit-transition: all 2s ease;
	-moz-transition: all 2s ease;
	-ms-transition: all 2s ease;
	transition: all 2s ease;
}
.zi img:hover {
	height: 512px;
}
img {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

h1 {
		font-family:arial;
		text-align:center;
}

h2 {
		font-family:arial;
		text-align:center;
}

a:link {
color: black;
font-family:arial;
text-align:center;
text-decoration: none;
}

a:visited {
color: black;
font-family:arial;
text-align:center;
text-decoration: none;
}

a:active {
color: black;
font-family:arial;
text-align:center;
text-decoration: none;
}

a:hover {
color: black;
font-family:arial;
font-size: 200%;
text-align:center;
padding: 10px 40px;
-webkit-transition: all 2s ease;
-moz-transition: all 2s ease;
-ms-transition: all 2s ease;
transition: all 2s ease;  
}

.grid-container {
  display: inline-grid;
  grid-template-columns: auto auto auto;
  background-color: #2196F3;
}

.grid-item {
  background-color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.8);
  font-size: 30px;
  text-align: center;
}

.viiva {
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		height: 50%;
        background-color:#000000;
		color:white;
        text-align: center;
}
.footer {
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		height: 45%;
    background-color:#6f6f6f;
		color:white;
    		display: table-cell;
    		text-align: center;
    		width: 100%;
    		vertical-align: middle;
}




div {
  margin: 0px auto;
}


.wave {
  position: relative;
  opacity: 0;
  top: 0;
	width: 2px;
	height: 1px;
  border: lightgray 9px solid;
	-moz-border-radius: 300px / 150px;
	-webkit-border-radius: 300px / 150px;
	border-radius: 300px / 150px;
  -moz-animation-name: ripple;
  -webkit-animation-name: ripple;
  animation-name: ripple;
  -moz-animation-delay: 2s;
  -webkit-animation-delay: 2s;
  animation-delay: 2s;
  -moz-animation-duration: 2s;
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -moz-animation-iteration-count: infinite;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}

.wave:after {
  content: "";
  position: absolute;
  opacity: 0;
  top: 0px;
  left: 0px;
	width: 2px;
	height: 1px;
  border: #FFF 5px solid;
	-moz-border-radius: 300px / 150px;
	-webkit-border-radius: 300px / 150px;
	border-radius: 300px / 150px;
  -moz-animation-name: ripple-2;
  -webkit-animation-name: ripple-2;
  animation-name: ripple-2;
  -moz-animation-duration: 2s;
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -moz-animation-iteration-count: infinite;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}

@keyframes ripple {
    from {
      opacity: 1;
    }
    to {
      width: 160px;
      height: 130px;
      border-width: 1px;
      top: 0px;
      opacity: 0;
    }
}