hello this is my code on nootpad html and i want to add more things can you help me

add to the external style sheet:

a:add a class notice and using it in the last paraghraph in you website

.notice position:relative; left:20px; top:10px; font-size:10pt; color:brown; background-color:ivory; border:3px inset#CC3300; WIDTH:230PX;

b:apply the following styles to the link

text-decoration:None; color:red; font-wight:bold;

c:using pseudo class to change the background pf h2 heading to gold when the mouse cursor hover it

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