v-toolbar-title vertical center code example
Example: vuetify app bar title center
<v-toolbar>
<v-spacer />
<v-toolbar-title>
Some title text
</v-toolbar-title>
<v-spacer />
</v-toolbar>
<v-toolbar>
<v-spacer />
<v-toolbar-title>
Some title text
</v-toolbar-title>
<v-spacer />
</v-toolbar>