How To Change Default Buttons Style In Ionic 4

Scss Code Example

ion-button {
   height: 45px;
    text-transform: capitalize;
    --background: #673ab7;
    --background-focused: #673ab7;
    --background-hover: #673ab7;
    --color: #fff;
    --color-activated: #fff;
    --color-focused: #fff;
    width: 200px;
    margin: 0 auto;
    display: block;
    font-size: 14px;
}