#modal {
	z-index: 9999999;
	background: #FFF;
	padding: 25px;
	border-right: 1px solid #CCC;
	border-bottom: 1px solid #CCC;
	position: fixed;
	width: 90%;
	max-width: 350px;
	top: 0;
	left: -350px;
	height: 100vh;
	overflow-Y: auto;
	transition: ease 1s;
	p {
		position: absolute;
		font-size: 16px;
		text-align: left;
		font-weight: 100;
	} 
	a {
		font-size: 20px;
	}
}

#mostrar-modal {
	display: none;
	+ label {
		display: table;
		cursor: pointer;
		&:hover {
			background: darken(steelblue,10%);
		}
	}
  &:checked { 
    & ~ #modal {
		  left: 0;
	  }
    & ~ #cerrar-modal + label {
      display: block;
    }
  }
}

#cerrar-modal {
	display: none;
	label {
		position: absolute;
		top: 1em;
		right: 1em;
		z-index: 100;
		color: #fff;
		font-weight: bold;
		cursor: pointer;
    text-align: center;
    display: none;
    transition: ease 1s;
	}
	&:checked {
     & ~ #modal {
      left: -350px;
    }
    & + label {
      display: none;
    }
  }
}