divの中で中央揃え
<div class=container3>
<p>この段落…
</div>div {
height: 10em;
position: relative;
}
p {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}<div class=container3>
<p>この段落…
</div>div {
height: 10em;
position: relative;
}
p {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
