.cab>div{
	width: 100%;
}
div[id^=menu] span{flex-grow:1;font-weight:700;justify-content:center;display:flex;align-items:center}div[id^=menu]:hover{background-color:#3cb371}div[id^=menu]{margin:20px 0;background-color:#90ee90;height:2em;cursor:pointer;display:flex;position:sticky;top:0;z-index:3}#instruccion{font-size: 20px}.centrar{min-height: 50vw;}#gen{display:flex;justify-content:center}.numero{margin:15px 0}.vista{flex-direction:column}.vista:hover .opciones .elimina{display:block;z-index: 12;}#divPreg>div{position:relative}.elimina{position:absolute;display:none;right:0;top:0}canvas{margin:10px}.opciones{display:flex;position:relative;justify-content:space-around;}.fraccion input:first-of-type{border-bottom:3px solid #000}.fraccion input{border:none;text-align:center}.fraccion{display:flex;flex-direction:column}.problemo{display:flex;padding-bottom:1em}textarea{width:100%;resize:none;border:none}div.problema{border-top:1px solid #000}@media print{@page{size:letter}body *{visibility:hidden;-webkit-print-color-adjust:exact}#problemas{display:block!important;}#divPreg *{visibility:visible}#divPreg>div{background-color:#fff!important}.opciones{display:none}.vista .indicador{visibility:hidden!important}.numero{display:none;}.vista .valor:hover{box-shadow:initial}#divPreg{position:absolute;top:0;left:0;width:100%;height:100%;overflow:visible;margin:0}.vista{page-break-after:always;page-break-before:always;page-break-inside:avoid}div.problema{border-top:none}}