body {
	background-image: url("catBaseBackground.jpg");
	color: #AA0114;
}

h3 {
	color:#AA0114;
	font-size: 25px;
}

p {
	color: #AA0114;
	text-align: left;
	border: 3px groove #FFFF33;
	font-family: verdana;
	font-size: 25px;
}

a {
	border: 5px groove black;
	font-style: italic;
	font-family: Impact;
	border-style: hidden;
	border-width: 1px;


}

.footer {
    position: relative; /* needed for stacking */
    width: 100%;
    height: 100px;
}

.topnav {
	background-color: #333;
	overflow: hidden;
}

.topnav a {
	float: left;
	display: block;
	color: #f2f2f2;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
	font-size: 17px;
}

.topnav a:hover {
	background-color: #ddd;
	color: red;
}

.topnav a.active {
	background-color: #4CAF50;
	color:white;
}

<style>
* {
    box-sizing: border-box;
}

/* Create four equal columns that floats next to each other */
.column {
    float: left;
    width: 25%;
    padding: 10px;
}

/* Clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 900px) {
    .column  {
        width: 50%;
    }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
    .column  {
        width: 100%;
    }
}

* {
    box-sizing: border-box;
}

.zoom {
    padding: 50px;
    background-color: green;
    transition: transform .2s;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.zoom:hover {
    -ms-transform: scale(1.5); /* IE 9 */
    -webkit-transform: scale(1.5); /* Safari 3-8 */
    transform: scale(1.5); 
}
</style>

</style>