body
{
font-size:30px;
}

ul
{
list-style:none;
padding:0;
margin:0;
}

ul li a
{
text-decoration:none;
font-family:Arial, KaiTi;
background-color:black;
color:white;
display:block;
width:250px;
margin:15px;
padding:20px;
border:8px inset blue;
border-radius:60px 60px 60px 60px;
text-align:center;
height:50px;
line-height:50px;
}

ul li a:hover
{
background-color:MINTCREAM;
color:DIMGRAY;
font-size:40px;
border:5px outset pink;
}