html {
  width: 100%;
  height: 100%;
  font-size: 16px;
  font-style: normal;
}

body {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  margin: 0;
}

ul,
nav {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
li {
  margin: 0;
  padding: 0;
}
em {
  font-style: italic;
}

textarea:focus,
input:focus {
  outline: none;
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}