Custom milestone style

Hi, I want to know, can I customize the style of milestones through < SVG > < / SVG > or other code?

You can change the style rules of the gantt_task_content element that is a child of the gantt_bar_milestone element:

  .gantt_bar_milestone .gantt_task_content{
    background: url("") !important;
    transform: unset !important;
    border: unset !important;

Here is an example: