<style>
.user {
width: 100rpx;
height: 100rpx;
position: relative;
}
.user__avatar {
display: block;
width: 100rpx;
height: 100rpx;
border-radius: 50%;
}
.user__un-read-msg-count {
position: absolute;
top: -16rpx;
right: -8rpx;
}
</style> this is the bem specification
bem
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