t.svg<svg viewBox="0 0 240 40" xmlns="http://www.w3.org/2000/svg">
<style>
text {
font: italic 12px serif;
}
tspan {
font: bold 10px sans-serif;
fill: red;
}
</style>
<text x="10" y="30" class="small">
You are
<tspan>not</tspan>
a banana!
</text>
</svg>