.tarjeta
		{
			background-color: white;
			width: 250px;
			margin: 1em;
			border: gray solid 1px;
			padding: 0.5em;
			overflow: auto;
			border-radius: 5px;
			flex-direction: column;
		}
		
		.contenedor-columnas
		{
		display: flex;
		flex-direction: column;
		}

		.contenedor-tarjetas
		{
			display: flex;
			flex-wrap: wrap;
			justify-content: center;
		}

		.tarjeta:hover
		{
			border: blue solid 1px;
			box-shadow: 0px 0px 20px lightgray;
		}

		.tarjeta img
		{
			width: 100%;
			border: gray solid 1px;
		}

		.tarjeta h2
		{
			color: gray;
			font-family: 'Arial Narrow', sans-serif;
			text-align: left;
			padding: 0;
			margin: 0;
		}

		.tarjeta li
		{
			padding: 0.4em;
			color: gray;
			border-top: 1px dotted gray;
			list-style: none;
		}

		.tarjeta ul
		{
			margin: 0;
			padding: 0;
		}

		.tarjeta ul a
		{
			color: gray;
			display: block;
			padding: 0.2em;
			text-decoration: none;
			font-family: 'Calibri', sans-serif;
		}

		.tarjeta ul a:hover
		{
			color: blue;
		}

		.tarjeta > div > a
		{
			display: block;
			color: white;
			font-family: 'Calibri', sans-serif;
			text-decoration: none;
			padding: 0.5em;
			background-color: #0033ff;
			float: right;
		}

		.tarjeta > div > a:hover
		{
			background-color: #0055ff;
		}