.cabecera {
    background: #242323;    
    color: black; 
    padding: 10px 10px;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    box-sizing: border-box;
}



.formulario{
    margin-top:60px;
	width: 75%;
	background: #f1f1f1;
	height: 400px;
	padding: 80px 40px;
	border-radius: 10px;
	position: relative;
	left: 50%;
	top: 220px;
	transform: translate(-50%, -50%);
	box-shadow: 2px 2px 10px 5px rgba(0, 0, 0, 0.2);
}

.formulario h1{
	text-align: center;
	margin-bottom: 60px;
	color: #333;
	font-weight: 600;
}

.box-input{
	border-bottom: 2px solid #adadad;
	position: relative;
	margin: 30px 0;
}

.box-input input{
	font-size: 16px;
	color: #333;
	border: none;
	width: 100%;
	outline: none;
	background: none;
	padding: 0 5px;
	height: 40px;
}

.box-input span::before{
	content: attr(data-placeholder);
	position: absolute;
	top: 50%;
	left: 5px;
	color: #adadad;
	transform: translateY(-50%);
	z-index: -1;
	transition: .5s;
}

.box-input span::after{
	content: '';
	position: absolute;
	top:100%;
	left:0%;
	width: 0%;
	height: 2px;
	background: linear-gradient(120deg, #3498db, #8e44ad);
	transition: 0.5s;
}

.focus + span::before{
	top: -5px;
}

.focus + span::after{
	width: 100%;
}

.boton{
	display: block;
	width: 100%;
	height: 50px;
	background-color: #48bb78;
	border: solid 2px #48bb78;
	color: #fff;
	border-radius: 5px;
	font-weight: 600;
	font-size: 18px;
	box-shadow: 2px 2px 5px 2px rgba(0, 0, 0, 0.1);
}

.boton:hover{
	background-color: #2F855A;
	border: solid 2px #2F855A;
	transition: .5s;
}


@media only screen and (max-width:767px) {


    .cabecera {
        background: #242323;    
        color: black; 
        padding: 10px 10px;
        position: absolute;
        left: 0;
        top: 0;
        right: 0;
        box-sizing: border-box;
    }


	.formulario {
		width: 330px;
		background: #f1f1f1;
		height: 510px;
		padding: 15px 15px;
		border-radius: 10px;
		position:relative;
		left: 50%;
    	top: 140px;
		transform: translate(-50%, -50%);
		box-shadow: 2px 2px 10px 5px rgba(0, 0, 0, 0.2);
		font-size: 1rem;
	}

	.formulario h1 {
		text-align: center;
		margin-bottom: 60px;
		color: #333;
		font-weight: 600;
		font-size: 1.7rem;
		
	}

	.box-input {
		border-bottom: 2px solid #adadad;
		position: relative;
		margin: 30px 0;
	}

	.box-input input {
		font-size: 1.5rem;
		color: #333;
		border: none;
		width: 100%;
		outline: none;
		background: none;
		padding: 0 5px;
		height: 40px;
	}

	.box-input span::before {
		content: attr(data-placeholder);
		position: absolute;
		top: 50%;
		left: 5px;
		color: #adadad;
		transform: translateY(-50%);
		z-index: -1;
		transition: .5s;
	}

	.box-input span::after {
		content: '';
		position: absolute;
    	top:100%;
	    left:0%;
		width: 0%;
		height: 2px;
		background: linear-gradient(120deg, #3498db, #8e44ad);
		transition: .5s;
	}

	.focus+span::before {
		top: -5px;
	}

	.focus+span::after {
		width: 100%;
	}

	.boton {
		display: block;
		width: 100%;
		height: 50px;
		background-color: #48bb78;
		border: solid 2px #48bb78;
		color: #fff;
		border-radius: 5px;
		font-weight: 600;
		font-size: 1.5rem;
		box-shadow: 2px 2px 5px 2px rgba(0, 0, 0, 0.1);
	}

	.boton:hover {
		background-color: #2F855A;
		border: solid 2px #2F855A;
		transition: .5s;
	}








}