@import url('https://fonts.googleapis.com/css?family=Space+Mono');
@import url('https://fonts.googleapis.com/css?family=Roboto');

* {	box-sizing: border-box; }

:focus {
outline: 0;
}
.clearfix {
  clear: both;
  display: block;
}
.hidden { display: none; }

body {
  margin: 0;
	font-size:16px;
}

#nombre {
	font-family:Roboto;
	font-size:0.8em;
	display:block;
	text-align:center;
}

#calculadora {
  color: white;
  font-family: 'Space Mono', monospace;
  background: lightgrey ;
  overflow: auto;
  width:320px;
  margin: 20px auto;
  text-align: center;
  padding: 15px 15px;
  border-radius: 5px;
  border: 0;
  box-shadow: 0px 10px 5px -5px rgba(0, 0, 0, .75);

}
#calculadora_display {
  text-align: right;
  border: 0;
  width: 100%;
  padding: 10px;
	margin-bottom:20px;
  font-size: 2em;
  border-radius: 10px;
  border: 1px solid #eee;
  background: #b1d5b9;
  color: darkslategrey;
}
#calculadora_header {
  background: #8A8;
}
#calculadora_body #calculadora_display {
  margin-bottom: 15px;
}
#calculadora_body div {
  display: inline-block;
}
#calculadora_body_numbers {
  float: left;
  width: 80%;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
#calculadora_body_operators_unary {
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
  -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
#calculadora_body_operators_binary {
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
	-webkit-flex-wrap: wrap;
	  -ms-flex-wrap: wrap;
	      flex-wrap: wrap;
}
input[type="submit"] {
  color: #AAA;
  background: #333;
  padding-top: 10px;
  padding-bottom: 10px;
  border: none;
	font-family:'Roboto', sans-serif;
  color: white;
	border-radius: 4px;
	font-size:1em;
	margin: 0 2px 4px;
}
.number {
  -webkit-flex-grow: 1;
    -ms-flex-positive: 1;
      flex-grow: 1;
  width: 30%;
  background: linear-gradient(to bottom, rgb(67, 67, 67) 0%,rgb(0, 0, 0) 100%);
}
.number.igual {
  -webkit-flex-grow: 25;
    -ms-flex-positive: 25;
      flex-grow: 25;
}
.number.clear {
	background: linear-gradient(to bottom, rgb(233, 43, 43) 0%,rgb(194, 42, 42) 100%);
}
.operator {
  width: 100%;
  background: linear-gradient(to bottom, rgb(122, 122, 122) 0%,rgb(88, 88, 88) 100%);
}
.operator.unary {
  width: 15%;
	-webkit-flex-grow: 1;
	  -ms-flex-positive: 1;
	     flex-grow: 1;
}