回答編集履歴
1
コード修正
answer
CHANGED
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@@ -20,4 +20,15 @@
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20
20
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transition: width 3s;
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21
21
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}
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22
22
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}
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23
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+
.box3 {
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24
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& > div {
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25
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position: absolute;
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26
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top: 50%;
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27
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transform: translateY( -50% );
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28
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background-size: cover; /* 追加 */
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29
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width: 0%;
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30
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height: 100%;
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31
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transition: width 3s;
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32
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}
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33
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}
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23
34
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```
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