body{
font-family: sans-serif;
background-color: #007D73;
width: 500px;
margin-top: 20px;
margin-bottom: 0px;
margin-left: auto;
margin-right: auto;
}
.square a{
width: 200px;
height: 200px;
border: 5px solid #ff7800;
float: left;
background-color: #fff;
font-size: 25px;
text-align: center;
margin-right: 20px;
margin-top: 20px;
display: block;
color: #000000;
text-decoration: none;
}
.square a:hover{
border: 5px solid #ff0000;
color: #ff0000;
font-size: 30px;
}
a {
text-align: center;
font-size: 20px;
font-weight: bold;
color: #000000;
text-decoration: none;
border: 2px solid #e5e5e5;
}
a:hover{
text-decoration: underline;
}