Which property and value pair could be used to apply a linear gradient effect?

[x] `background: linear-gradient(#648880, #293f50);`
[ ] `background-image: linear(#648880, #293f50);`
[ ] `background: gradient(linear, #648880, #293f50);`
[ ] `background-color: linear-gradient(#648880, #293f50);`

Correct Answer:
[x] `background: linear-gradient(#648880, #293f50);`