The span tag is an inline container used to mark up a part of a text, or a part of a document
//put this on the <head> part
<style>
span.nombre{
color: #efc900;//or any HEX color
}
</style>
//and then, in any sentence:
<p>The span tag is an <span class ="nombre">inline container</span> used to mark up a part of a text, or a part of a document</p>