why I am getting small dash in anchor tag?

Question

<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>  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<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>  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<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>   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</br>

I have create button by using img tag within anchor. why I am getting small dash at right corner??

thanks in advance

Answer 1

There is a default text-decoration:underline associated with an anchor <a> tag. Since there is a space in the <a> </a>, that underline is the line you see.

Use text-decoration:none on <a>, that should solve it.

a {
    text-decoration: none;
}