Fill in the blanks to make blue rectangular straight immediately at the left-top corner of the browser

Question

<svg width="200"
height"200">
<_____width="100"
height="10"
x="_"
y="_"
__="blue"/>
</svg>

Answer 1

Maybe

rect, 0, 0, fill

Answer 2

<svg width="200"
height"200">
<rect width="100"
height="10"
x="0"
y="0"
fill="blue"/>
</svg>