With the help of @onespaceman here I went ahead and replicated the admonitions mentioned by @SONDLecT in the original post (Admonitions - Material for MkDocs)
The following code goes inside the css code block in the STYLES page
```css
.sb-admonition[admonition="abstract"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-file-text" viewBox="0 0 16 16"><path d="M5 4a.5.5 0 0 0 0 1h6a.5.5 0 0 0 0-1zm-.5 2.5A.5.5 0 0 1 5 6h6a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5M5 8a.5.5 0 0 0 0 1h6a.5.5 0 0 0 0-1zm0 2a.5.5 0 0 0 0 1h3a.5.5 0 0 0 0-1z"/><path d="M2 2a2 2 0 0 1 2-2h8a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2zm10-1H4a1 1 0 0 0-1 1v12a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1V2a1 1 0 0 0-1-1"/></svg>');
--admonition-color: dodgerblue;
}
.sb-admonition[admonition="info"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-info-circle" viewBox="0 0 16 16"><path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14m0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16"/><path d="m8.93 6.588-2.29.287-.082.38.45.083c.294.07.352.176.288.469l-.738 3.468c-.194.897.105 1.319.808 1.319.545 0 1.178-.252 1.465-.598l.088-.416c-.2.176-.492.246-.686.246-.275 0-.375-.193-.304-.533zM9 4.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/></svg>');
--admonition-color: turquoise;
}
.sb-admonition[admonition="tip"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-fire" viewBox="0 0 16 16"><path d="M8 16c3.314 0 6-2 6-5.5 0-1.5-.5-4-2.5-6 .25 1.5-1.25 2-1.25 2C11 4 9 .5 6 0c.357 2 .5 4-2 6-1.25 1-2 2.729-2 4.5C2 14 4.686 16 8 16m0-1c-1.657 0-3-1-3-2.75 0-.75.25-2 1.25-3C6.125 10 7 10.5 7 10.5c-.375-1.25.5-3.25 2-3.5-.179 1-.25 2 1 3 .625.5 1 1.364 1 2.25C11 14 9.657 15 8 15"/></svg>');
--admonition-color: #00bfa5;
}
.sb-admonition[admonition="success"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check-lg" viewBox="0 0 16 16"><path d="M12.736 3.97a.733.733 0 0 1 1.047 0c.286.289.29.756.01 1.05L7.88 12.01a.733.733 0 0 1-1.065.02L3.217 8.384a.757.757 0 0 1 0-1.06.733.733 0 0 1 1.047 0l3.052 3.093 5.4-6.425z"/></svg>');
--admonition-color: #00c853;
}
.sb-admonition[admonition="question"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-question-circle" viewBox="0 0 16 16"><path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14m0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16"/><path d="M5.255 5.786a.237.237 0 0 0 .241.247h.825c.138 0 .248-.113.266-.25.09-.656.54-1.134 1.342-1.134.686 0 1.314.343 1.314 1.168 0 .635-.374.927-.965 1.371-.673.489-1.206 1.06-1.168 1.987l.003.217a.25.25 0 0 0 .25.246h.811a.25.25 0 0 0 .25-.25v-.105c0-.718.273-.927 1.01-1.486.609-.463 1.244-.977 1.244-2.056 0-1.511-1.276-2.241-2.673-2.241-1.267 0-2.655.59-2.75 2.286m1.557 5.763c0 .533.425.927 1.01.927.609 0 1.028-.394 1.028-.927 0-.552-.42-.94-1.029-.94-.584 0-1.009.388-1.009.94"/></svg>');
--admonition-color: #64dd17;
}
.sb-admonition[admonition="failure"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-x-circle" viewBox="0 0 16 16"><path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14m0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16"/><path d="M4.646 4.646a.5.5 0 0 1 .708 0L8 7.293l2.646-2.647a.5.5 0 0 1 .708.708L8.707 8l2.647 2.646a.5.5 0 0 1-.708.708L8 8.707l-2.646 2.647a.5.5 0 0 1-.708-.708L7.293 8 4.646 5.354a.5.5 0 0 1 0-.708"/></svg>');
--admonition-color: #ff5252;
}
.sb-admonition[admonition="danger"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-lightning-fill" viewBox="0 0 16 16"><path d="M5.52.359A.5.5 0 0 1 6 0h4a.5.5 0 0 1 .474.658L8.694 6H12.5a.5.5 0 0 1 .395.807l-7 9a.5.5 0 0 1-.873-.454L6.823 9.5H3.5a.5.5 0 0 1-.48-.641z"/></svg>');
--admonition-color: #ff1744;
}
.sb-admonition[admonition="bug"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-bug" viewBox="0 0 16 16"><path d="M4.355.522a.5.5 0 0 1 .623.333l.291.956A5 5 0 0 1 8 1c1.007 0 1.946.298 2.731.811l.29-.956a.5.5 0 1 1 .957.29l-.41 1.352A5 5 0 0 1 13 6h.5a.5.5 0 0 0 .5-.5V5a.5.5 0 0 1 1 0v.5A1.5 1.5 0 0 1 13.5 7H13v1h1.5a.5.5 0 0 1 0 1H13v1h.5a1.5 1.5 0 0 1 1.5 1.5v.5a.5.5 0 1 1-1 0v-.5a.5.5 0 0 0-.5-.5H13a5 5 0 0 1-10 0h-.5a.5.5 0 0 0-.5.5v.5a.5.5 0 1 1-1 0v-.5A1.5 1.5 0 0 1 2.5 10H3V9H1.5a.5.5 0 0 1 0-1H3V7h-.5A1.5 1.5 0 0 1 1 5.5V5a.5.5 0 0 1 1 0v.5a.5.5 0 0 0 .5.5H3c0-1.364.547-2.601 1.432-3.503l-.41-1.352a.5.5 0 0 1 .333-.623M4 7v4a4 4 0 0 0 3.5 3.97V7zm4.5 0v7.97A4 4 0 0 0 12 11V7zM12 6a4 4 0 0 0-1.334-2.982A3.98 3.98 0 0 0 8 2a3.98 3.98 0 0 0-2.667 1.018A4 4 0 0 0 4 6z"/></svg>');
--admonition-color: #f50057;
}
.sb-admonition[admonition="example"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-vector-pen" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M10.646.646a.5.5 0 0 1 .708 0l4 4a.5.5 0 0 1 0 .708l-1.902 1.902-.829 3.313a1.5 1.5 0 0 1-1.024 1.073L1.254 14.746 4.358 4.4A1.5 1.5 0 0 1 5.43 3.377l3.313-.828zm-1.8 2.908-3.173.793a.5.5 0 0 0-.358.342l-2.57 8.565 8.567-2.57a.5.5 0 0 0 .34-.357l.794-3.174-3.6-3.6z"/><path fill-rule="evenodd" d="M2.832 13.228 8 9a1 1 0 1 0-1-1l-4.228 5.168-.026.086z"/></svg>');
--admonition-color: #7c4dff;
}
.sb-admonition[admonition="quote"] {
--admonition-icon: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-quote" viewBox="0 0 16 16"><path d="M12 12a1 1 0 0 0 1-1V8.558a1 1 0 0 0-1-1h-1.388q0-.527.062-1.054.093-.558.31-.992t.559-.683q.34-.279.868-.279V3q-.868 0-1.52.372a3.3 3.3 0 0 0-1.085.992 4.9 4.9 0 0 0-.62 1.458A7.7 7.7 0 0 0 9 7.558V11a1 1 0 0 0 1 1zm-6 0a1 1 0 0 0 1-1V8.558a1 1 0 0 0-1-1H4.612q0-.527.062-1.054.094-.558.31-.992.217-.434.559-.683.34-.279.868-.279V3q-.868 0-1.52.372a3.3 3.3 0 0 0-1.085.992 4.9 4.9 0 0 0-.62 1.458A7.7 7.7 0 0 0 3 7.558V11a1 1 0 0 0 1 1z"/></svg>');
--admonition-color: #9e9e9e;
}
```
Then, I have slashCommands for each one like this one:
Library/Personal/Snippet/info-admonition
---
tags: template
description: Insert an "info" admonition
hooks.snippet.slashCommand: info-admonition
---
> **info** Info
> |^|