You were close with your delete button, .text-start is the key but it should be applied to the buttons. You can also remove the <p> . ... <看更多>

Social Buttons for Bootstrap. Social Sign-In Buttons made in pure CSS based on Bootstrap and Font Awesome! View on GitHub Download · flag-icon-css ... ... <看更多>

This bootstrap bangla tutorial on add icon with bootstrap button. ... <看更多>

The icon is too close to the text. Consider adding a class to pad these. I put this in my css and it seemed to work. button.btn > i { padding ... ... <看更多>