V - slot, can't style or access it - css

Question

I add the v-flip on my nuxt webpage. So my template looks like this:
<div class="about__cards">
<vue-flip class="about__single-card" active-click width = "350px" height="450px">
<template v-slot:front>
<p class="about__title">Stacks</p>
</template>
<template v-slot:back>
<h4>My stacks</h4>
<ul>
<li>Javascript</li>
<li>Css</li>
<li>HTML</li>
<li>Vue</li>
<li>Nuxt</li>
</ul>
</template>
</vue-flip>
...
This was my styling:
.about__cards{
display:flex;
justify-content: space-evenly;
/* background-color: transparent; */
}
.about__single-card{
border:1px red solid;
border-radius: 16px;
overflow: hidden;
box-shadow: 0 5px 18px rgba(0, 0, 0, 0.6);
cursor: pointer;
transition: 0.5s;
position: relative;
text-align: center;
transition: transform 0.6s;
transform-style: preserve-3d;
}
.front{
background: red;
width: 100%;
height: 100%;
/* line-height: 448px; */
text-align: center;
vertical-align: middle;
/* display: flex;
flex-direction: column;
align-content: flex-end; */
}
I put front because when inspecting the element I saw that was given that class. All all seems working. Then I realized that I haven't scoped the style so was messing with other pages. I did, restart the server and now it's not working anymore the styling of the v-slot. But If I go to inspect the element and I go to the "front"class that was pre-given I can change it there... I read that you can style v-slots, but before I did it so I am kind of confused. What I am missing here?
Thank you

Answer 1

It's because scoped styles are "scoped" by using component unique id as part of the selector.
If you inspect your app, you will see things like this (1d328d7a is the uid)
<div
data-v-1d328d7a=""
class="field-input-wrapper"
...
.field-input-wrapper[data-v-1d328d7a] {
...
In order to bypass this, you can use deep selector like this
.about__single-card >>> .front{
background: red;
width: 100%;
height: 100%;
text-align: center;
vertical-align: middle;
}