Which statement is True? O A h1{margin: 0 20px; } applies 0px margin on left and right and 20px margin on top and bottom of every h1 element. o B ul{border-color: red green yellow blue; } applies yellow on the border-right of every ul element. o C p.main{margin: 5%; }applies 5% margin on all sides of every paragrph. li#color{font: Arial, "Helvetica Neue", Helvetica, sans-serif } is a css error because the property name is font-family not font o E p#left{border-left: 5px solid; } applies a solid black border on the left side of a paragraph with id left