Answer:
border: 5px solid lightgreen;
Explanation:
The shorthand version of the border property in CSS goes as follows:
border: <line-width> <line-style> <color>;
With <line-width> represents the thicknes of the border line (expressed in keyword values or lenght values), <line-style> represents the style of the border, and <color> represents the color of the border (in color names or values).
