ai giúp mik vs ạh
body a,
body button,
body [type='button'],
body input[type='reset'],
body input[type='submit'],
body [role="button"],
::-webkit-search-cancel-button,
::-webkit-search-decoration,
::-webkit-scrollbar-button,
::-webkit-file-upload-button,
body .sweezy-custom-cursor-hover {
cursor: url("data:image/png;base64,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") 6 3, pointer !important;
}
html,
body,
body select,
body .sweezy-custom-cursor-default-hover {
cursor: url("data:image/png;base64,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") 1 1, auto !important;
}
1: \(M=\left(\dfrac{2}{7}-\dfrac{2}{7}\right):\dfrac{2012}{2013}=0\)