css可以绘制这种圆形平滑凸起吗？-灵析社区
雁过留痕 这个TAB中间的这种，后面有个平滑凸起的背景
HAO起起.tab-container {
display: flex;
justify-content: center;
align-items: center;
background-color: #f8f8f8;
position: relative;
height: 60px;
}
.tab {
padding: 10px 30px;
background-color: #fff;
border-radius: 30px;
position: relative;
}
.tab::before {
content: "";
position: absolute;
bottom: -10px;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 20px;
background-color: #fff;
border-radius: 50%;
box-shadow: 0px -10px 10px rgba(0, 0, 0, 0.1);
}
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