sass-references/angular-material/material/slider/slider-thumb.scss

.mat-mdc-slider-visual-thumb .mat-ripple {
  height: 100%;
  width: 100%;
}

.mat-mdc-slider .mdc-slider__tick-marks {
  justify-content: start;
  .mdc-slider__tick-mark--active,
  .mdc-slider__tick-mark--inactive {
    position: absolute;
    left: 2px;
  }
}