ngstyle

1<div [ngStyle]="{'background-color':person.country === 'UK' ? 'green' : 'red' }"></<div>

1<div [ngStyle]="{'background-color':'green'}"></<div>

1<some-element [ngStyle]="{'font-style': styleExp}">...</some-element>

1[ngStyle]="{'background-image': 'url(' + data.headerImage + ')'}"

1      
2        content_copy
3      
4      <some-element [ngStyle]="{'max-width.px': widthExp}">...</some-element>
5