이미지 없이 CSS로 둥근 모서리 구현하기(1)
간지님께서 알려주신 이 소스는 body의 배경과 div의 배경을 일치시킴으로써 라운드 효과를 내게했다. 27번째줄, 6번째줄

<html>
<head>

<style type="text/css">
body {  font: 14px Arial, Helvetica, sans-serif;
        background-color: #FFFFFF;
        color: #FFFF66;
}
.rblock {
        background-color: #404040;
}
.rblock *.m5 {
        margin: 0 5px;
}
.rblock *.m3 {
        margin: 0 3px;
}
.rblock *.m2 {
        margin: 0 2px;
}
.rblock *.m1 {
        margin: 0 1px;
}
.rblock p.content {
        padding: 0px 10px;
}
.rblocktop, .rblockbottom {
        background-color: #FFFFFF; /* must be of the same as body bg-color */
        display: block;
        width: 100%;
}
.rblocktop *, .rblockbottom * {
        background-color: #404040; /* must be of the same as .rblock bg-color */
        display: block;
        height: 1px;
        overflow: hidden;
}

</style>

</head>

<body>

<div class="rblock" style="width: 500px;">
    <div class="rblocktop">
        <span class="m5"></span><span class="m3"></span><span class="m2"></span><span class="m1"></span><span class="m1"></span>
    </div>       
    <p class="content" style="text-align: justify; text-indent: 0px; /* change this style to whatever you want or remove it */">
        Lorem ipsum dolor sit amet, consectetur adipisicing elit,
        sed do eiusmod tempor incididunt ut labore et dolore magna
        aliqua. Ut enim ad minim veniam, quis nostrud exercitation
        ullamco laboris nisi ut aliquip ex ea commodo consequat.
        Duis aute irure    dolor in reprehenderit in voluptate velit
        esse cillum dolore eu fugiat nulla pariatur. Excepteur sint
        occaecat cupidatat non proident, sunt in culpa qui officia
        deserunt mollit anim id est laborum.
    </p>
    <div class="rblockbottom">
        <span class="m1"></span><span class="m1"></span><span class="m2"></span><span class="m3"></span><span class="m5"></span>
    </div>
</div>

</body>
</html>