outline

outline-style

<p class="dotted">dotted</p>
<p class="dashed">dashed</p>
<p class="solid">solid</p>
<p class="double">double</p>
<p class="groove">groove</p>
<p class="ridge">ridge</p>
<p class="inset">inset</p>
<p class="outset">outset</p>

.dotted {
    outline-style: dotted；
}

标签：style,ridge,outline,dotted,solid,dashed
来源： https://www.cnblogs.com/xmlearning/p/13736200.html