ちょっとした想像力で、w3-tag と w3-badge クラスは、全種類の標識を表示するために使用することができます。
<div class="w3-tag w3-red">S</div>
<div class="w3-tag w3-black" >A</div>
<div
class="w3-tag w3-yellow">L</div>
<div class="w3-tag w3-black">E</div>
Try It Yourself ❯
<div class="w3-tag w3-round w3-green" style="padding:3px">
<div
class="w3-tag w3-round w3-green w3-border w3-border-white">
Falcon
Ridge Parkway
</div>
</div>
Try It Yourself ❯
<span class="w3-tag w3-xxlarge w3-padding w3-orange w3-center">
<strong>
IN CASE OF<br>
EMERGENCY<br>
RUN LIKE HELL !
</strong>
</span>
Try It Yourself ❯
<div class="w3-tag w3-jumbo w3-green">
<span
class="w3-xxlarge">49</span>
<span class="w3-large">,99</span>
</div>
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<span class="w3-tag w3-xxlarge w3-padding w3-round-large w3-red w3-center">
DO NOT<br>
BREATHE<br>
UNDER WATER
</span>
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<span class="w3-tag w3-xxlarge w3-padding w3-red" style="transform:rotate(-5deg)">
STOP
</span>
Try It Yourself ❯
transform 用いた回転：rotate は、古い IE ブラウザでは動作しません。
<div class="w3-display-container w3-white w3-border w3-card-8"
style="height:200px;width:350px">
<div class="w3-display-topleft
w3-container w3-red" style="width:25%;height:40%"><p></p></div>
<div
class="w3-display-topright w3-container w3-red"
style="width:60%;height:40%"><p></p></div>
<div class="w3-display-bottomleft
w3-container w3-red" style="width:25%;height:40%"><p></p></div>
<div
class="w3-display-bottomright w3-container w3-red"
style="width:60%;height:40%"><p></p></div>
</div>
Try It Yourself ❯