*{
    padding: 0;
    margin: 0;
  }
  /*相關資訊的檔案*/
  header{
    background-color: #000000;
    height: 100px;
    width:100%;
    position:relative;
   }
   h1{
    color:rgb(254, 254, 254);
    position:absolute;
    left:80px;
    top:0;
    line-height:80px;
    font-family: 'Noto Serif SC', serif;
    font-size: 45px;
   }
   header h1{
    left:15%;
    position:absolute;
    transform:translateX(-50%);
   }
   header ul{
    position:absolute;
    right:5vw;
    top:0;
    line-height:80px;
    font-size:18px;
    font-family: 'Noto Serif SC', serif;
   }
   header li{
    display:inline;
    margin-right:4vw;
   }
   header a{
    color:rgb(254, 254, 254);
    text-decoration:none;
   }
   header a:hover{
    text-decoration:underline;
   }
   main{
    background-color:#f3efef;
    line-height:40px;
    margin: 100px;
    padding-top: 3%;
    padding-left: 5%;
    padding-bottom: 3%;
    border-radius: 12px;
    font-size: 25px;
   }
   main a{
    color:rgb(39, 34, 34);
    text-decoration:none;
   }
   input:focus{
    outline:none;
    border-color:bisque;
   }
   .menu{
    display:none;
   }
   @media screen and(max-width:768px){
    header ul {
      display:none;
    }
   } 
   .menu{
    display:block;
    background-color: transparent;
    color:white;
    font-size:35px;
    position:absolute;
    top:15px;
    left:20px;
    border:none;
    cursor:pointer;
   }
   #footer {
    position: relative;
    background-color: #000000;
    color: #c6c9cd;
    text-align: center;
    bottom: 0;
    width: 100%;
    height: 3rem;            
  }
    ol {
        list-style-type: none; 
        margin: 10px 0; 
        padding: 5; 
    }
    li {
        margin-bottom: 5px; 
        position: relative; 
    }
    @media screen and(max-width:768px){
      header ul {
        display:none;
      }
     } 
     .btn-98,
     .btn-98,
     .btn-98 *,
     .btn-98 :after,
     .btn-98 :before,
     .btn-98:after,
     .btn-98:before {
       border: 0 solid;
       box-sizing: border-box;
     }
     .btn-98 {
       -webkit-tap-highlight-color: transparent;
       appearance: button;
       background-color: #000;
       background-image: none;
       color: #ffffff;
       cursor: pointer;
       font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
         Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif,
         Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
       font-size: 100%;
       line-height: 1.5;
       margin: 0;
       mask-image: -webkit-radial-gradient(#000, #fff);
       padding: 0;
     }
     .btn-98:disabled {
       cursor: default;
     }
     .btn-98:-moz-focusring {
       outline: auto;
     }
     .btn-98 svg {
       display: block;
     }
     .btn-98 [hidden] {
       display: none;
     }
     .btn-98 {
       --thickness: 4px;
       background: none;
       box-sizing: border-box;
       -webkit-clip-path: polygon(
         0 0,
         100% 0,
         100% calc(100% + var(--thickness)),
         0 calc(100% + var(--thickness))
       );
       clip-path: polygon(
         0 0,
         100% 0,
         100% calc(100% + var(--thickness)),
         0 calc(100% + var(--thickness))
       );
       display: block;
       font-weight: 900;
       mask-image: none;
       padding: 2px 0;
       position: relative;
       text-transform: uppercase;
     }
     .btn-98:before {
       background: #fff;
       bottom: calc(var(--thickness) * -1);
       content: "";
       display: block;
       height: var(--thickness);
       left: 0;
       pointer-events: none;
       position: absolute;
       width: 100%;
     }
     .btn-98:hover:before {
       -webkit-animation: slide 0.5s ease;
       animation: slide 0.5s ease;
     }
     @-webkit-keyframes slide {
       0% {
         transform: translateX(0);
       }
       50% {
         transform: translateX(100%);
       }
       51% {
         transform: translateX(-100%);
       }
       to {
         transform: translateX(0);
       }
     }
     @keyframes slide {
       0% {
         transform: translateX(0);
       }
       50% {
         transform: translateX(100%);
       }
       51% {
         transform: translateX(-100%);
       }
       to {
         transform: translateX(0);
       }
     }
     a[href="index.html"] {
       color: #ffffff;
       text-decoration: none; 
       font-family: Arial, Helvetica, sans-serif;
       font-size:20px;
     }