本文
<p class="rollover">
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</p>
CSS
.rollover {
width: 150px;
border: 1px solid #33BBCC;
background: #D8F3FA;
text-align: center;
}
.rollover a {
display: block;
}
.rollover a:link,
.rollover a:visited {
color: #33BBCC;（通常の文字の色）
text-decoration: none;
}
.rollover a:hover {
background: #33BBCC;
color: #FFFFFF;
text-decoration: none;
}
