styles.css

* {
  box-sizing: border-box;
}

header{
  position: fixed;
  top: 0;
  width: 100%;
  height: 100px;
}

body {
  padding-top: 100px;
  margin: 0px;
}

section {
  overflow: hidden;
  width: 100%;
  height: 100vh;
}

  nav ul {
    width: 100%;
    background-color: rgba(240, 251, 255, 0.983);
    list-style-type: none;
    /* 마진 패딩 지정하지 않으면 브라우저 기본 스타일을 따라 설정되므로 오버라이딩 필요 */
    margin: 0;
    padding: 0;

  }
  
  /* li 는 블록요소인데 inline-block 으로 인라인속성 부여해서 나란히 배치 */
  
  nav ul li {
    display: inline-block;
  }
  
  .nav__amazon {
    background-color: rgba(240, 251, 255, 0.983);
    width: 100px;
    text-align: center;
    font-weight: bold;
    position: absolute;
    top : -1.4%;
    right : 5%
  }
  
  .nav__amazon a {
    display: block;
    text-decoration: none;
    color: black;
    padding: 10px 10px;
  }
  
  .nav__nav {
    position: relative;
  }

  .nav__menu {
    /*background-color: darkorange; */
    color: black;
    padding: 16px;
    font-size: 20px;
    cursor: pointer;
    font-weight: 550;
  }
  
  html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

.flex-container.column{
  display: flex;
  flex-direction: column;
  position: absolute;
  right: 5%;
  top: 30%;  
}

.body-wrapper {
  min-height: 100%;
  position: relative;
}

.body-content {
    margin-top: 100px;
    padding-bottom: 40px; /* footer의 높이 */
}

.item {
  width: 100%;
  height: 100vh;
  margin: 50px auto;
  padding: 20px 50px 100px 50px;
  text-align: center;
}

.graph{
  width : 60%;
  height : 50%;
  min-width:20%;
  max-width : 60%;
  max-height :60%;
  position : absolute;
  top :20%;
  left : 5%;
}

.accuracy{
  text-align: center;
  font-family: Arial;
  font-weight: 500;
  padding: 5px 0px 0px 0px;
  
  font-size: 3rem;
  font-weight: 500;
}

.accuracy_percent{
  text-align: center;
  color:rgb(41, 156, 190);
  padding: 0px 0px 2px 0px;
  font-weight: 500;
  
  font-size: 5rem;
  font-weight: 500;
}

.closed_price{
  text-align: center;
  font-weight: 500;
  font-family: Arial;
  padding: 5px 0px 5px 0px;
  line-height : 182%;
    
  font-size: 1.2rem;
  font-weight: 500;
}

#email p {
  text-align: center;
  padding: 150px;
  background-color: rgba(240, 251, 255, 0.983);
}

.button input[type="radio"]{
  display: none;
}

.button input[type="radio"] + span{
  display: inline-block;
  background-color: white;
  color: black;
  padding: 3px 5px;
  text-align: center;
  text-decoration: none;
  transition-duration: 0.4s;
  cursor: pointer;
}

.upper input[type="radio"] + span{
  color: black;
  border: 1px solid #cd5c5c;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  margin-right: -3px;
}

.upper input[type="radio"]:checked + span{
  background-color: #cd5c5c;
  color: white;
}

.lower input[type="radio"] + span{
  border: 1px solid #008CBA;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  margin-left: -2px;
}

.lower input[type="radio"]:checked + span{
  background-color: #008CBA;
  color: white;
}


input[type=text]{
  width: 100px;
  border-top: none;
  border-left: none;
  border-right: none;
  border-bottom: 2px solid black;
}

footer {
  position: fixed;
  width: 100%;
  height: 40px; /* footer의 높이 */
  bottom: 0;
  border-top: 1px solid #c4c4c4;
  padding-top: 15px;
  color: #808080;
  font-size: 11px;
}

footer p {
    margin-top: 0;
    margin-bottom: 0;
}

footer p span {
    display: inline-block;
    margin-left: 20px;
    margin-bottom: 10px;
}