#wp-calendar {
text-align: center;
width: 80%;
padding: 0px;
margin: 0px 0 10px 10px;
font-size: 0.9em;
}

#wp-calendar caption {
font-family: "Trebuchet MS", Verdana, sans-serif;
padding: 0px;
margin: 0px 0 4px 10px;
font-weight: bold;
text-align: left;
font-size: 1.1em;
}

#wp-calendar caption a, #wp-calendar caption a:hover {
background: transparent;
font-weight: normal;
}

#wp-calendar th
{
font-weight: bold;
}

#wp-calendar a
{
text-decoration: none;
display: block;
color: black;
}

#wp-calendar td, #wp-calendar th
{
text-align: center;  
}

#wp-calendar tbody td a
{
text-decoration: underline;
background-color: #ccc;
}