.sv-boolean__switch {
  display: inline-block;
  box-sizing: border-box;
  width: 63px;
  height: 24px;
  margin-right: 17px;
  margin-left: 21px;
  padding: 2px 3px;
  vertical-align: middle;
  border-radius: 12px;
}
.sv-boolean__slider {
  display: inline-block;
  width: 20px;
  height: 20px;
  transition-duration: 0.4s;
  transition-property: margin-left;
  border: none;
  border-radius: 100%;
}
.sv-boolean__label {
  vertical-align: middle;
}
.sv-boolean--indeterminate {
  .sv-boolean__slider {
    margin-left: calc(50% - 10px);
  }
}
.sv-boolean--checked {
  .sv-boolean__slider {
    margin-left: calc(100% - 20px);
  }
}

.sv-boolean__switch {
  display: inline-block;
  box-sizing: border-box;
  width: 63px;
  height: 24px;
  margin-right: 17px;
  margin-left: 21px;
  padding: 2px 3px;
  vertical-align: middle;
  border-radius: 12px;
}
.sv-boolean__slider {
  display: inline-block;
  width: 20px;
  height: 20px;
  transition-duration: 0.1s;
  transition-property: margin-left;
  transition-timing-function: linear;
  border: none;
  border-radius: 100%;
}
.sv-boolean__label {
  vertical-align: middle;
}
.sv-boolean--indeterminate {
  .sv-boolean__slider {
    margin-left: calc(50% - 10px);
  }
}
.sv-boolean--checked {
  .sv-boolean__slider {
    margin-left: calc(100% - 20px);
  }
}

Fix timing function for boolean
Fix timing function for boolean
