Hi Adriano,
Thanks for your interest in Syncfusion Products.
We can override the styles of Essential JS 2 components by defining the variable to be overridden before importing the style files. Please find the below code snippet for example.
$accent: blue;
@import 'ej2-base/styles/material.scss';
@import 'ej2-angular-buttons/styles/material.scss';
In the above code snippet, we have overridden the color of common accent variable which is common for all components. For your convenience, we have created an angular-cli sample to override the style using SCSS and the same can be referred from the below link.
The list of common style variables which can be overridden are provided in the below documentation. Please find the same from the below link.
Please let us know if you have any concerns.
Regards,
Sridurgha U