* {
	margin: 0px;
	padding: 0px;
}

html,body {
	font-family: Arial, Helvetica, sans-serif;
}

h1 {
	color: #000;
	text-align: center;
	font-weight: bolder;

	font-size: 38px;
	text-transform: uppercase;
	margin-top: 12px;
}

form {
	/* width: 20%;
	max-width: 100%; */
	height: auto;
	margin: 12px auto;
	padding: 2%;
	box-shadow: 1px 1px 1px black;
	border-radius: .5rem;
	background-image: url(../img/calcula_bg.png);
	box-shadow: inset 1px 1px 4px 0px rgba(0, 0, 0, 0.521);
	
}
.alerta{
	color: rgb(167, 4, 4);
	font-family: 'Roboto', sans-serif;
	font-size: .8rem;
	line-height: .9rem;
	font-weight: lighter;
	padding: 0px 40px;
}

.resultado_cal{
	height: auto;
	margin: 12px auto;
	padding: 2rem 1rem;
	
	border-radius: .5rem;
	background-image: url(../img/calcula_bg.png);
	box-shadow: inset 1px 1px 4px 0px rgba(0, 0, 0, 0.521);
}

label {
	
	font-weight: bolder;
	text-align: center;
	display: block;
	font-size: 18px;
	margin: 4px auto;
	font-family: 'Bree Serif', serif;

}

input[type="text"] {
	width: 200px;
    height: 50px;
    margin: 12px auto;
    font-size: 22px;
    text-align: center;
    font-weight: bolder;
    /* border: 1px solid black; */
    background-color: white;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 3px 12px 0px;
}

button {
	width: 120px;
	max-width: 100%;
	height: auto;
	text-align: center;
	display: inline-block;
	margin: 4px 2px;
	padding: 5px;
	
	font-size: 14px;
	text-transform: uppercase;
	cursor: pointer;
	font-weight: bolder;
	

}

button:hover {
	color: #000;
	background-color: rgba(124, 124, 124, 0.452);
	border-color: #000;
}

a { 
	color: #f00; 
	display: block; 
	width: 120px; 
	cursor: pointer; 
	margin: 0px auto; 
	padding: 5px; 
	font-size: 18px; 
	text-align: center; 
	font-weight: bolder; 
	text-decoration: none; 
}

a:hover { 
	text-shadow: 0px 0px 2px #000; 
	text-decoration: underline; 
}

#contenedor {
	width: 100%;
	max-width: 100%;
	height: auto;
	margin: 0px auto;
	padding: 0px;
}

#sub_titulo {
	color: #000;
	text-align: center;
	font-weight: bolder;
	font-family: 'Bree Serif', serif;
	font-size: 18px;
	

}

#operador {
	width: 190px;
	max-width: 100%;
	height: auto;
	display: block;
	margin: 4px auto;
	padding: 1%;
	border: 1px solid #000;
}

#botones {
	width: 95%;
	max-width: 100%;
	height: auto;
	margin: 6px auto 0px auto;
	padding: 1.5%;
	text-align: center;
}

#resultado {
	width: 200px;
	height: 50px;
	margin: 12px auto;
	font-size: 22px;
	text-align: center;
	font-weight: bolder;
	/* border: 1px solid black; */
	background-color: white;
	box-shadow: rgba(0, 0, 0, 0.1) 0px 3px 12px 0px;;
}
#resultadototalano {
	width: 200px;
	height: 50px;
	margin: 12px auto;
	font-size: 22px;
	text-align: center;
	font-weight: bolder;
	/* border: 1px solid black; */
	background-color: white;
}

.mensaje_error {
	color: #000;
	display: block;
	text-align: center;
	font-weight: bolder;
	text-decoration: underline;
	font-size: 14px;
	text-transform: uppercase;

	margin: 2px auto;
	padding: 4px;
}

#operar{
	background-color: rgb(79, 176, 174);
	color: white;
	border-radius: 4px;
	padding: 8px 18px;
	box-shadow: rgba(0, 0, 0, 0.1) 0px 3px 12px 0px;
	cursor: pointer;
	
}
#borrar{
	background-color: rgb(79, 176, 174);
	color: white;
	border-radius: 4px;
	padding: 8px 18px;
	box-shadow: rgba(0, 0, 0, 0.1) 0px 3px 12px 0px;
	cursor: pointer;
	
}