cssの初期のノーマライズ

/*html&bodyの設定*/
html {
  font-size: 62.5%; /* 1rem = 10px */
  overflow-y: scroll;
  overflow-x: hidden;
}

body {
  font-family: "YakuHanJPs_Noto", "Roboto", "Noto Sans JP", "游ゴシック Medium",
    "游ゴシック体", "Yu Gothic Medium", "YuGothic", "ヒラギノ角ゴ ProN",
    "Hiragino Kaku Gothic ProN", "メイリオ", "Meiryo", "ＭＳ Ｐゴシック",
    "MS PGothic", sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.8;
  width: 100%;
　height: 100%;
}

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

/* - -  h1.h2.h3....  - - */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: bold;
  color: #000;
  overflow-wrap: break-word;
}

/* -- a -- */
a {
  text-decoration: none;
  outline: none;
  color: #000;
}

a,
a > img {
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
  transition: 0.2s;
}

/* -- img -- */
img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* -- ul -- */
ul {
  list-style: none;
}
li {
  list-style: none;
}

/* -- :hover -- */
a:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  cursor: pointer;
}

/* -- inputの設定 --*/
input[type="text"] {
  font-size: 1rem;
}
input[type="submit"] {
  padding: 8px;
  border: #efefef;
  color: #000;
  background-color: aliceblue;
}

/*--  フォーム要素の設定  --*/
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
}
button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

/*--テーブルのborder-collapse*/
table {
  border-collapse: collapse;
  border-spacing: 0;
}