.el-slider {
  width: 90% !important;
  margin-inline: auto;
  height: 30px !important;
}

.el-slider__bar, .el-slider__runway {
  height: 4px !important;
}
.el-slider__button-wrapper {
  width: 34px !important;
  height: 34px !important;
}
.el-slider__button {
  width: 16px !important;
  height: 16px !important;
}