/* Normalización de documento */
html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: #f7faff;
}

/* Elementos de texto */
h1,h2,h3 {
  font-size: 2em;
  margin: 0px;
}

/* Enlaces */
a {
  background-color: transparent;
}

/* Imágenes */
img {
  border-style: none;
  max-width: 100%;
  height: auto;
}

/* Formularios */
button {
  border-width: 0px;
  background-color: transparent;
}
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

input {
  overflow: visible;
}

select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

/* Listas */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Elementos de bloque */
article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section {
  display: block;
}

/* Box sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Tipografía */
pre,
code,
kbd,
samp {
  font-family: monospace;
  font-size: 1em;
}