Icons alinement

Hi. I try to use your plugin to insert some icons in the header. but dont get it, how i can align them vertically. Try it with this css, but it doesnt works. Any idea, how i can fix it?

Thank you for your help.

SECC

.dashicons, .dashicons-before::before {
vertical-align: center;
text-align: center !important;
}

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