Optin-Monster font awesome icon Usage,CSS Class Name,SVG & CSS Content Code
Optin-Monster font awesome icon css class name is fa-optin-monster and CSS Content Code is \f23c.
Optin-Monster font awesome icon is part of brands icons.
Optin-Monster font awesome icon usage
We can display Optin-Monster font awesome icon using 3 different ways depending upon our requirement.
Using CSS Class Name
Using CSS Content Code
Using SVG
Optin-Monster font awesome icon CSS class name
To display Optin-Monster font awesome icon, add predefined class name i.e.,fa-optin-monster (with prefix fa-) to the i tag.
And we need to add corresponding font awesome icon style for the Optin-Monster icon.
Optin-Monster icon has 1 icon style i.e.,brands.
We need to append icon style class fab.
<i class='fab fa-optin-monster'></i>
Output:
Optin-Monster font awesome icon CSS Content Code
We can display Optin-Monster font awesome icon using it’s CSS Content Code \f23c
Use the following HTML code
<li><span class='Optin-Monster fontawesomeicon'></span>Optin-Monster</li>
Apply CSS code
<style> 
.fontawesomeicon::before {
    display: inline-block;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
 }
.Optin-Monster::before {
   font: var(--fa-font-brands);
    content: ' \f23c';
 }</style>
Output:
.fontawesomeicon::before { display: inline-block; text-rendering: auto; -webkit-font-smoothing: antialiased; } .Optin-Monster::before { font: var(--fa-font-brands); content: ' \f23c'; }For the detailed tutorial visit https://www.angularjswiki.com/fontawesome/csscontentcode/
Optin-Monster font awesome icon SVG
Use the following icon SVG to display Optin-Monster font awesome icon.
<svg class='fontawesomesvg' xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><!--! Font Awesome Free 6.2.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc. --><path d="M572.6 421.4c5.6-9.5 4.7-15.2-5.4-11.6-3-4.9-7-9.5-11.1-13.8 2.9-9.7-.7-14.2-10.8-9.2-4.6-3.2-10.3-6.5-15.9-9.2 0-15.1-11.6-11.6-17.6-5.7-10.4-1.5-18.7-.3-26.8 5.7.3-6.5.3-13 .3-19.7 12.6 0 40.2-11 45.9-36.2 1.4-6.8 1.6-13.8-.3-21.9-3-13.5-14.3-21.3-25.1-25.7-.8-5.9-7.6-14.3-14.9-15.9s-12.4 4.9-14.1 10.3c-8.5 0-19.2 2.8-21.1 8.4-5.4-.5-11.1-1.4-16.8-1.9 2.7-1.9 5.4-3.5 8.4-4.6 5.4-9.2 14.6-11.4 25.7-11.6V256c19.5-.5 43-5.9 53.8-18.1 12.7-13.8 14.6-37.3 12.4-55.1-2.4-17.3-9.7-37.6-24.6-48.1-8.4-5.9-21.6-.8-22.7 9.5-2.2 19.6 1.2 30-38.6 25.1-10.3-23.8-24.6-44.6-42.7-60C341 49.6 242.9 55.5 166.4 71.7c19.7 4.6 41.1 8.6 59.7 16.5-26.2 2.4-52.7 11.3-76.2 23.2-32.8 17-44 29.9-56.7 42.4 14.9-2.2 28.9-5.1 43.8-3.8-9.7 5.4-18.4 12.2-26.5 20-25.8.9-23.8-5.3-26.2-25.9-1.1-10.5-14.3-15.4-22.7-9.7-28.1 19.9-33.5 79.9-12.2 103.5 10.8 12.2 35.1 17.3 54.9 17.8-.3 1.1-.3 1.9-.3 2.7 10.8.5 19.5 2.7 24.6 11.6 3 1.1 5.7 2.7 8.1 4.6-5.4.5-11.1 1.4-16.5 1.9-3.3-6.6-13.7-8.1-21.1-8.1-1.6-5.7-6.5-12.2-14.1-10.3-6.8 1.9-14.1 10-14.9 15.9-22.5 9.5-30.1 26.8-25.1 47.6 5.3 24.8 33 36.2 45.9 36.2v19.7c-6.6-5-14.3-7.5-26.8-5.7-5.5-5.5-17.3-10.1-17.3 5.7-5.9 2.7-11.4 5.9-15.9 9.2-9.8-4.9-13.6-1.7-11.1 9.2-4.1 4.3-7.8 8.6-11.1 13.8-10.2-3.7-11 2.2-5.4 11.6-1.1 3.5-1.6 7-1.9 10.8-.5 31.6 44.6 64 73.5 65.1 17.3.5 34.6-8.4 43-23.5 113.2 4.9 226.7 4.1 340.2 0 8.1 15.1 25.4 24.3 42.7 23.5 29.2-1.1 74.3-33.5 73.5-65.1.2-3.7-.7-7.2-1.7-10.7zm-73.8-254c1.1-3 2.4-8.4 2.4-14.6 0-5.9 6.8-8.1 14.1-.8 11.1 11.6 14.9 40.5 13.8 51.1-4.1-13.6-13-29-30.3-35.7zm-4.6 6.7c19.5 6.2 28.6 27.6 29.7 48.9-1.1 2.7-3 5.4-4.9 7.6-5.7 5.9-15.4 10-26.2 12.2 4.3-21.3.3-47.3-12.7-63 4.9-.8 10.9-2.4 14.1-5.7zm-24.1 6.8c13.8 11.9 20 39.2 14.1 63.5-4.1.5-8.1.8-11.6.8-1.9-21.9-6.8-44-14.3-64.6 3.7.3 8.1.3 11.8.3zM47.5 203c-1.1-10.5 2.4-39.5 13.8-51.1 7-7.3 14.1-5.1 14.1.8 0 6.2 1.4 11.6 2.4 14.6-17.3 6.8-26.2 22.2-30.3 35.7zm9.7 27.6c-1.9-2.2-3.5-4.9-4.9-7.6 1.4-21.3 10.3-42.7 29.7-48.9 3.2 3.2 9.2 4.9 14.1 5.7-13 15.7-17 41.6-12.7 63-10.8-2.2-20.5-6-26.2-12.2zm47.9 14.6c-4.1 0-8.1-.3-12.7-.8-4.6-18.6-1.9-38.9 5.4-53v.3l12.2-5.1c4.9-1.9 9.7-3.8 14.9-4.9-10.7 19.7-17.4 41.3-19.8 63.5zm184-162.7c41.9 0 76.2 34 76.2 75.9 0 42.2-34.3 76.2-76.2 76.2s-76.2-34-76.2-76.2c0-41.8 34.3-75.9 76.2-75.9zm115.6 174.3c-.3 17.8-7 48.9-23 57-13.2 6.6-6.5-7.5-16.5-58.1 13.3.3 26.6.3 39.5 1.1zm-54-1.6c.8 4.9 3.8 40.3-1.6 41.9-11.6 3.5-40 4.3-51.1-1.1-4.1-3-4.6-35.9-4.3-41.1v.3c18.9-.3 38.1-.3 57 0zM278.3 309c-13 3.5-41.6 4.1-54.6-1.6-6.5-2.7-3.8-42.4-1.9-51.6 19.2-.5 38.4-.5 57.8-.8v.3c1.1 8.3 3.3 51.2-1.3 53.7zm-106.5-51.1c12.2-.8 24.6-1.4 36.8-1.6-2.4 15.4-3 43.5-4.9 52.2-1.1 6.8-4.3 6.8-9.7 4.3-21.9-9.8-27.6-35.2-22.2-54.9zm-35.4 31.3c7.8-1.1 15.7-1.9 23.5-2.7 1.6 6.2 3.8 11.9 7 17.6 10 17 44 35.7 45.1 7 6.2 14.9 40.8 12.2 54.9 10.8 15.7-1.4 23.8-1.4 26.8-14.3 12.4 4.3 30.8 4.1 44 3 11.3-.8 20.8-.5 24.6-8.9 1.1 5.1 1.9 11.6 4.6 16.8 10.8 21.3 37.3 1.4 46.8-31.6 8.6.8 17.6 1.9 26.5 2.7-.4 1.3-3.8 7.3 7.3 11.6-47.6 47-95.7 87.8-163.2 107-63.2-20.8-112.1-59.5-155.9-106.5 9.6-3.4 10.4-8.8 8-12.5zm-21.6 172.5c-3.8 17.8-21.9 29.7-39.7 28.9-19.2-.8-46.5-17-59.2-36.5-2.7-31.1 43.8-61.3 66.2-54.6 14.9 4.3 27.8 30.8 33.5 54 0 3-.3 5.7-.8 8.2zm-8.7-66c-.5-13.5-.5-27-.3-40.5h.3c2.7-1.6 5.7-3.8 7.8-6.5 6.5-1.6 13-5.1 15.1-9.2 3.3-7.1-7-7.5-5.4-12.4 2.7-1.1 5.7-2.2 7.8-3.5 29.2 29.2 58.6 56.5 97.3 77-36.8 11.3-72.4 27.6-105.9 47-1.2-18.6-7.7-35.9-16.7-51.9zm337.6 64.6c-103 3.5-206.2 4.1-309.4 0 0 .3 0 .3-.3.3v-.3h.3c35.1-21.6 72.2-39.2 112.4-50.8 11.6 5.1 23 9.5 34.9 13.2 2.2.8 2.2.8 4.3 0 14.3-4.1 28.4-9.2 42.2-15.4 41.5 11.7 78.8 31.7 115.6 53zm10.5-12.4c-35.9-19.5-73-35.9-111.9-47.6 38.1-20 71.9-47.3 103.5-76.7 2.2 1.4 4.6 2.4 7.6 3.2 0 .8.3 1.9.5 2.4-4.6 2.7-7.8 6.2-5.9 10.3 2.2 3.8 8.6 7.6 15.1 8.9 2.4 2.7 5.1 5.1 8.1 6.8 0 13.8-.3 27.6-.8 41.3l.3-.3c-9.3 15.9-15.5 37-16.5 51.7zm105.9 6.2c-12.7 19.5-40 35.7-59.2 36.5-19.3.9-40.5-13.2-40.5-37 5.7-23.2 18.9-49.7 33.5-54 22.7-6.9 69.2 23.4 66.2 54.5zM372.9 75.2c-3.8-72.1-100.8-79.7-126-23.5 44.6-24.3 90.3-15.7 126 23.5zM74.8 407.1c-15.7 1.6-49.5 25.4-49.5 43.2 0 11.6 15.7 19.5 32.2 14.9 12.2-3.2 31.1-17.6 35.9-27.3 6-11.6-3.7-32.7-18.6-30.8zm215.9-176.2c28.6 0 51.9-21.6 51.9-48.4 0-36.1-40.5-58.1-72.2-44.3 9.5 3 16.5 11.6 16.5 21.6 0 23.3-33.3 32-46.5 11.3-7.3 34.1 19.4 59.8 50.3 59.8zM68 474.1c.5 6.5 12.2 12.7 21.6 9.5 6.8-2.7 14.6-10.5 17.3-16.2 3-7-1.1-20-9.7-18.4-8.9 1.6-29.7 16.7-29.2 25.1zm433.2-67c-14.9-1.9-24.6 19.2-18.9 30.8 4.9 9.7 24.1 24.1 36.2 27.3 16.5 4.6 32.2-3.2 32.2-14.9 0-17.8-33.8-41.6-49.5-43.2zM478.8 449c-8.4-1.6-12.4 11.3-9.5 18.4 2.4 5.7 10.3 13.5 17.3 16.2 9.2 3.2 21.1-3 21.3-9.5.9-8.4-20.2-23.5-29.1-25.1z"/></svg>
Use the following HTML code
<p>This <svg class='fontawesomesvg' xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><!--! Font Awesome Free 6.2.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc. --><path d="M572.6 421.4c5.6-9.5 4.7-15.2-5.4-11.6-3-4.9-7-9.5-11.1-13.8 2.9-9.7-.7-14.2-10.8-9.2-4.6-3.2-10.3-6.5-15.9-9.2 0-15.1-11.6-11.6-17.6-5.7-10.4-1.5-18.7-.3-26.8 5.7.3-6.5.3-13 .3-19.7 12.6 0 40.2-11 45.9-36.2 1.4-6.8 1.6-13.8-.3-21.9-3-13.5-14.3-21.3-25.1-25.7-.8-5.9-7.6-14.3-14.9-15.9s-12.4 4.9-14.1 10.3c-8.5 0-19.2 2.8-21.1 8.4-5.4-.5-11.1-1.4-16.8-1.9 2.7-1.9 5.4-3.5 8.4-4.6 5.4-9.2 14.6-11.4 25.7-11.6V256c19.5-.5 43-5.9 53.8-18.1 12.7-13.8 14.6-37.3 12.4-55.1-2.4-17.3-9.7-37.6-24.6-48.1-8.4-5.9-21.6-.8-22.7 9.5-2.2 19.6 1.2 30-38.6 25.1-10.3-23.8-24.6-44.6-42.7-60C341 49.6 242.9 55.5 166.4 71.7c19.7 4.6 41.1 8.6 59.7 16.5-26.2 2.4-52.7 11.3-76.2 23.2-32.8 17-44 29.9-56.7 42.4 14.9-2.2 28.9-5.1 43.8-3.8-9.7 5.4-18.4 12.2-26.5 20-25.8.9-23.8-5.3-26.2-25.9-1.1-10.5-14.3-15.4-22.7-9.7-28.1 19.9-33.5 79.9-12.2 103.5 10.8 12.2 35.1 17.3 54.9 17.8-.3 1.1-.3 1.9-.3 2.7 10.8.5 19.5 2.7 24.6 11.6 3 1.1 5.7 2.7 8.1 4.6-5.4.5-11.1 1.4-16.5 1.9-3.3-6.6-13.7-8.1-21.1-8.1-1.6-5.7-6.5-12.2-14.1-10.3-6.8 1.9-14.1 10-14.9 15.9-22.5 9.5-30.1 26.8-25.1 47.6 5.3 24.8 33 36.2 45.9 36.2v19.7c-6.6-5-14.3-7.5-26.8-5.7-5.5-5.5-17.3-10.1-17.3 5.7-5.9 2.7-11.4 5.9-15.9 9.2-9.8-4.9-13.6-1.7-11.1 9.2-4.1 4.3-7.8 8.6-11.1 13.8-10.2-3.7-11 2.2-5.4 11.6-1.1 3.5-1.6 7-1.9 10.8-.5 31.6 44.6 64 73.5 65.1 17.3.5 34.6-8.4 43-23.5 113.2 4.9 226.7 4.1 340.2 0 8.1 15.1 25.4 24.3 42.7 23.5 29.2-1.1 74.3-33.5 73.5-65.1.2-3.7-.7-7.2-1.7-10.7zm-73.8-254c1.1-3 2.4-8.4 2.4-14.6 0-5.9 6.8-8.1 14.1-.8 11.1 11.6 14.9 40.5 13.8 51.1-4.1-13.6-13-29-30.3-35.7zm-4.6 6.7c19.5 6.2 28.6 27.6 29.7 48.9-1.1 2.7-3 5.4-4.9 7.6-5.7 5.9-15.4 10-26.2 12.2 4.3-21.3.3-47.3-12.7-63 4.9-.8 10.9-2.4 14.1-5.7zm-24.1 6.8c13.8 11.9 20 39.2 14.1 63.5-4.1.5-8.1.8-11.6.8-1.9-21.9-6.8-44-14.3-64.6 3.7.3 8.1.3 11.8.3zM47.5 203c-1.1-10.5 2.4-39.5 13.8-51.1 7-7.3 14.1-5.1 14.1.8 0 6.2 1.4 11.6 2.4 14.6-17.3 6.8-26.2 22.2-30.3 35.7zm9.7 27.6c-1.9-2.2-3.5-4.9-4.9-7.6 1.4-21.3 10.3-42.7 29.7-48.9 3.2 3.2 9.2 4.9 14.1 5.7-13 15.7-17 41.6-12.7 63-10.8-2.2-20.5-6-26.2-12.2zm47.9 14.6c-4.1 0-8.1-.3-12.7-.8-4.6-18.6-1.9-38.9 5.4-53v.3l12.2-5.1c4.9-1.9 9.7-3.8 14.9-4.9-10.7 19.7-17.4 41.3-19.8 63.5zm184-162.7c41.9 0 76.2 34 76.2 75.9 0 42.2-34.3 76.2-76.2 76.2s-76.2-34-76.2-76.2c0-41.8 34.3-75.9 76.2-75.9zm115.6 174.3c-.3 17.8-7 48.9-23 57-13.2 6.6-6.5-7.5-16.5-58.1 13.3.3 26.6.3 39.5 1.1zm-54-1.6c.8 4.9 3.8 40.3-1.6 41.9-11.6 3.5-40 4.3-51.1-1.1-4.1-3-4.6-35.9-4.3-41.1v.3c18.9-.3 38.1-.3 57 0zM278.3 309c-13 3.5-41.6 4.1-54.6-1.6-6.5-2.7-3.8-42.4-1.9-51.6 19.2-.5 38.4-.5 57.8-.8v.3c1.1 8.3 3.3 51.2-1.3 53.7zm-106.5-51.1c12.2-.8 24.6-1.4 36.8-1.6-2.4 15.4-3 43.5-4.9 52.2-1.1 6.8-4.3 6.8-9.7 4.3-21.9-9.8-27.6-35.2-22.2-54.9zm-35.4 31.3c7.8-1.1 15.7-1.9 23.5-2.7 1.6 6.2 3.8 11.9 7 17.6 10 17 44 35.7 45.1 7 6.2 14.9 40.8 12.2 54.9 10.8 15.7-1.4 23.8-1.4 26.8-14.3 12.4 4.3 30.8 4.1 44 3 11.3-.8 20.8-.5 24.6-8.9 1.1 5.1 1.9 11.6 4.6 16.8 10.8 21.3 37.3 1.4 46.8-31.6 8.6.8 17.6 1.9 26.5 2.7-.4 1.3-3.8 7.3 7.3 11.6-47.6 47-95.7 87.8-163.2 107-63.2-20.8-112.1-59.5-155.9-106.5 9.6-3.4 10.4-8.8 8-12.5zm-21.6 172.5c-3.8 17.8-21.9 29.7-39.7 28.9-19.2-.8-46.5-17-59.2-36.5-2.7-31.1 43.8-61.3 66.2-54.6 14.9 4.3 27.8 30.8 33.5 54 0 3-.3 5.7-.8 8.2zm-8.7-66c-.5-13.5-.5-27-.3-40.5h.3c2.7-1.6 5.7-3.8 7.8-6.5 6.5-1.6 13-5.1 15.1-9.2 3.3-7.1-7-7.5-5.4-12.4 2.7-1.1 5.7-2.2 7.8-3.5 29.2 29.2 58.6 56.5 97.3 77-36.8 11.3-72.4 27.6-105.9 47-1.2-18.6-7.7-35.9-16.7-51.9zm337.6 64.6c-103 3.5-206.2 4.1-309.4 0 0 .3 0 .3-.3.3v-.3h.3c35.1-21.6 72.2-39.2 112.4-50.8 11.6 5.1 23 9.5 34.9 13.2 2.2.8 2.2.8 4.3 0 14.3-4.1 28.4-9.2 42.2-15.4 41.5 11.7 78.8 31.7 115.6 53zm10.5-12.4c-35.9-19.5-73-35.9-111.9-47.6 38.1-20 71.9-47.3 103.5-76.7 2.2 1.4 4.6 2.4 7.6 3.2 0 .8.3 1.9.5 2.4-4.6 2.7-7.8 6.2-5.9 10.3 2.2 3.8 8.6 7.6 15.1 8.9 2.4 2.7 5.1 5.1 8.1 6.8 0 13.8-.3 27.6-.8 41.3l.3-.3c-9.3 15.9-15.5 37-16.5 51.7zm105.9 6.2c-12.7 19.5-40 35.7-59.2 36.5-19.3.9-40.5-13.2-40.5-37 5.7-23.2 18.9-49.7 33.5-54 22.7-6.9 69.2 23.4 66.2 54.5zM372.9 75.2c-3.8-72.1-100.8-79.7-126-23.5 44.6-24.3 90.3-15.7 126 23.5zM74.8 407.1c-15.7 1.6-49.5 25.4-49.5 43.2 0 11.6 15.7 19.5 32.2 14.9 12.2-3.2 31.1-17.6 35.9-27.3 6-11.6-3.7-32.7-18.6-30.8zm215.9-176.2c28.6 0 51.9-21.6 51.9-48.4 0-36.1-40.5-58.1-72.2-44.3 9.5 3 16.5 11.6 16.5 21.6 0 23.3-33.3 32-46.5 11.3-7.3 34.1 19.4 59.8 50.3 59.8zM68 474.1c.5 6.5 12.2 12.7 21.6 9.5 6.8-2.7 14.6-10.5 17.3-16.2 3-7-1.1-20-9.7-18.4-8.9 1.6-29.7 16.7-29.2 25.1zm433.2-67c-14.9-1.9-24.6 19.2-18.9 30.8 4.9 9.7 24.1 24.1 36.2 27.3 16.5 4.6 32.2-3.2 32.2-14.9 0-17.8-33.8-41.6-49.5-43.2zM478.8 449c-8.4-1.6-12.4 11.3-9.5 18.4 2.4 5.7 10.3 13.5 17.3 16.2 9.2 3.2 21.1-3 21.3-9.5.9-8.4-20.2-23.5-29.1-25.1z"/></svg>
 Optin-Monster displayed using SVG</p>
Apply CSS code
  <style>
    .fontawesomesvg {width: 1em;
      height: 1em;
      vertical-align: -.125em;
    }
  </style>
Output:
.fontawesomesvg {width: 1em; height: 1em; vertical-align: -.125em; }This Optin-Monster displayed using SVG
Change Optin-Monster font awesome icon size
To increase Optin-Monster font awesome icon size, use the fa-lg(33 % increase), fa-2x, fa-3x, fa-4x, or fa-5x classes along with icon class \f23c.
Increase in icon size will be relative to their parent container.
<i class='fab fa-optin-monster fa-lg'>fa-lg</i><br/>
<i class='fab fa-optin-monster fa-2x'>fa-2x</i><br/>
<i class='fab fa-optin-monster fa-3x'>fa-3x</i><br/>
<i class='fab fa-optin-monster fa-4x'>fa-4x</i><br/>
<i class='fab fa-optin-monster fa-5x'>fa-5x</i><br/>
Output:
fa-lgfa-2x
fa-3x
fa-4x
fa-5x
Optin-Monster font awesome icon with Fixed Width
All the font awesome icons does not have same width.
For example Optin-Monster icon and home icon may not have same height and width.
So to display two icons with fixed width and height we can use fa-fw class.
<i style='border:1px solid;' class='fab fa-optin-monster fa-fw fa-3x'></i>Fixed Width<i style='border:1px solid;' class='fab fa-optin-monster fa-3x'></i>Normal<br/>
<i style='border:1px solid;' class='fas fa-home fa-fw fa-3x'></i>Fixed Width<i style='border:1px solid;' class='fas fa-home fa-3x'></i>Normal<br/>
Output:
Fixed WidthNormalFixed WidthNormal
Optin-Monster font awesome icon Border
To add border to Optin-Monster font awesome icon, use fa-border class.
<i class='fab fa-optin-monster fa-border fa-3x'></i>
Output:
Pull Optin-Monster font awesome icon To the left
To pull Optin-Monster icon to the left of the container use fa-pull-left class.
<div style='width: 200px;'>
<i class='fab fa-optin-monster fa-pull-left fa-3x'></i>
  ... The text after Optin-Monster Icon will be displayed on the right side of the icon.
</div>
<div style = 'clear: both;'></div>
Output:
Pull Optin-Monster font awesome icon To the left
To pull Optin-Monster icon to the right of the container use fa-pull-right class.
<div style='width: 200px;'>
<i class='fab fa-optin-monster fa-pull-right fa-3x'></i>
  ... The text after Optin-Monster Icon will be displayed on the left side of the icon.
</div>
<div style = 'clear: both;'></div>
Output:
Animate Optin-Monster font awesome icon
To animate Optin-Monster font awesome icon, use fa-spin class.
<i class='fab fa-optin-monster fa-spin fa-3x'></i>
Output:
Animate Optin-Monster font awesome icon with steps
While animating the font awesome icon,We can rotate Optin-Monster icon in 8 steps instead of uniform rotation.
We can use fa-pulse icon along with fa-spin class.
<i class='fab fa-optin-monster fa-spin fa-pulse fa-3x'></i>
Output:
Rotate Optin-Monster font awesome icon
To rotate Optin-Monster font awesome icon, Use fa-rotate-x class
Where ‘x’ represents degree of rotation.
<div>
<i class='fab fa-optin-monster fa-3x'>R</i>normal<br/><br/>
<i class='fab fa-optin-monster fa-rotate-90 fa-3x'>R</i> fa-rotate-90<br/><br/> 
<i class='fab fa-optin-monster fa-rotate-180  fa-3x'>R</i> fa-rotate-180<br/><br/> 
<i class='fab fa-optin-monster fa-rotate-270 fa-3x'>R</i> fa-rotate-270<br/><br/>
</div>
Output:
R fa-rotate-90
R fa-rotate-180
R fa-rotate-270
Flip Optin-Monster font awesome icon
To flip Optin-Monster font awesome icon horizontally and vertically use fa-flip-horizontal and fa-flip-vertical classes.
<div>
<i class='fab fa-optin-monster fa-3x'>F</i> Normal <br>
<i class='fab fa-optin-monster fa-flip-horizontal fa-3x'>F</i> fa-flip-horizontal<br>
<i class='fab fa-optin-monster fa-flip-vertical fa-3x'>F</i> fa-flip-vertical<br>
</div>
Output:
F fa-flip-horizontal
F fa-flip-vertical
Combine Optin-Monster font awesome icon with other font awesome icons
In font awesome icons,using stacking we can combine multiple icons and display it as one icon.
To do that use the fa-stack class on the parent, the fa-stack-1x for the regularly sized icon, and fa-stack-2x for the larger icon.
And use class fa-inverse for an alternative icon color.
In the below example, I am displaying Optin-Monster font awesome icon on top of icons like fa-square,fa-circle and fa-ban.
And used fa-inverse in the second example to invert the color of the icon.
<div>
    <span class='fa-stack fa-lg'>
        <i class='far fa-square fa-stack-2x'></i>
        <i class='fab fa-optin-monster fa-stack-1x'></i>
    </span>
      Optin-Monster on fa-square<br>
    <span class='fa-stack fa-lg'>
        <i class='fas fa-circle fa-stack-2x'></i>
        <i class='fab fa-optin-monster fa-stack-1x fa-inverse'></i>
    </span>
      Optin-Monster on fa-circle<br>
    <span class='fa-stack fa-lg'>
        <i class='fab fa-optin-monster fa-stack-1x'></i>
        <i class='fas fa-ban fa-stack-2x'></i>
    </span>
      Optin-Monster on fa-ban
</div>
Output:
Optin-Monster on fa-circle
Optin-Monster on fa-ban