这个能不能用css圆角边框实现

img

可以用左边圆形的照片遮挡一下红色的背景

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <title> 页面名称 </title>
<style type="text/css">

.std {
    width: 200px;
    height: 40px;
    background-color: #F66;
    border-radius: 0px 20px 20px 20px;
    float: left;
    position: relative;
}
.std:before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: -20px;
    z-index: -1;
    width: 20px;
    height: 20px;
    background-color: #F66;
}
.pic {
    width: 34px;
    height: 34px;
    background-color: #6df;
    border-radius: 50%;
    border: 3px solid #fff;
    float: left;
}


</style>
</head>
<body>

<div class="pic"></div>
<div class="std"></div>

</body>
</html>

img

可以的用 radius