* {box-sizing: border-box;}

.formulario {
	width: 100%;
	font-family: 'Montserrat', sans-serif;
	margin: auto;
	color: #414042;
}

.formulario label {
	vertical-align: middle;
	font-weight: normal;
}

.row .col {
	float: left;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	min-height: 1px;
}

.row {
	margin: .125rem auto;
}

.row:after {
	content: "";
	display: table;
	clear: both;
}

.col {
	float: left;
	width: 100%;
	margin-left: auto;
	left: auto;
	right: auto;
}

.col-25 {
	float: left;
	width: 25%;
	margin-left: auto;
	left: auto;
	right: auto;
}

.col-50 {
	float: left;
	width: 50%;
	margin-left: auto;
	left: auto;
	right: auto;
}

.col-75 {
	float: left;
	width: 75%;
	margin-left: auto;
	left: auto;
	right: auto;
}

.col-33 {
	float: left;
	width: 33.33%;
	margin-left: auto;
	left: auto;
	right: auto;
}

hr {
	display: block;
	margin: 15px auto;
	width: 100%;
	border: 0;
	height: 1px;
	background-image: linear-gradient(to right, rgba(0, 0, 0, 0), silver, rgba(0, 0, 0, 0));
}

input[type=number], input[type=tel], input[type=text], input[type=email], select, textarea {
	padding: 1px;
	border: .75px solid silver;
	box-sizing: border-box;
	resize: vertical;
	width: 100%;
	-moz-border-radius: 2.5px;
	-webkit-border-radius: 2.5px;
	border-radius: 2.5px;
}

input[placeholder] {
	color:#666;
}

input[type=submit] {
	background-image: linear-gradient(gold, goldenrod);
	color: white;
  font-family: Arial, sans-serif;
	font-size: 1.5rem;
	font-weight: bold;
	padding: 10px 30px;
	border: none;
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	border-radius: 5px;
	cursor: pointer;
	width: auto;
	margin: auto;
	display:block;
}

textarea:hover, select:hover, input[type=text]:hover, input[type=email]:hover, input[type=number]:hover, input[type=tel]:hover {
	border-color: dodgerblue;
}

input[type=submit]:hover {
    font-family: Arial, sans-serif;
		background-image: none; 
		background-color: lightskyblue;
		font-size: 1.75rem;
		font-weight: bolder;
}


@media screen and (max-width: 600px) {
	.formulario, .col-25, .col-75, .col-50, .col-33 {
		width: 95%;
    float: left;
	}
}