<a href="service.html">
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Sea Freight.png"/>
</a>
<a href="airfreight.html" >
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Air Freight.png">
</a>
<a href="projectcargo.html">
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Project Cargo.png">
</a>
<br/>
<a href="customclearance.html" >
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Custom Clearance.png">
</a>
<a href="transportation.html" >
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Domestic Transportation.png">
</a>
<a href="thirdparty.html" >
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Warehousing and Distribution.png">
</a>
</br>
<a href="coastalcargo.html" >
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Coastal Cargo.png">
</a>
<a href="veseelchartering.html" >
<img width="175" height="40" style="margin-left:20px; margin-top:10px; margin-bottom:10px;" src="image/Vessel Chertring.png">
</a>
</br>
アンカー内でimgタグを使用してボタンを作成しました。なぜ右隅に小さなダッシュが表示されるのですか?
前もって感謝します