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.katex .fbox{
    box-sizing:border-box;
    border:.04em solid #000
}
.katex .fcolorbox{
    box-sizing:border-box;
    border:.04em solid
}
.katex .cancel-pad{
    padding:0 .2em
}
.katex .cancel-lap+.mbin,.katex .cancel-lap+.mord,.katex .cancel-lap+.msupsub,.katex .mbin+.cancel-lap,.katex .mord+.cancel-lap{
    margin-left:-.2em
}
.katex .sout{
    border-bottom-style:solid;
    border-bottom-width:.08em
}
