xxxxxxxxxx
<div class="border border-sky-500"></div>
<div class="border-2 border-sky-500"></div>
<div class="border-4 border-sky-500"></div>
<div class="border-8 border-sky-500"></div>
xxxxxxxxxx
<p class="border-solid"> -> border-style: solid;
<p class="border-dashed"> -> border-style: dashed;
<p class="border-dotted"> -> border-style: dotted;
<p class="border-double"> -> border-style: double;
<p class="border-hidden"> -> border-style: hidden;
<p class="border-none"> -> border-style: none;