#主題{
    background-color: rgb(252, 231, 234);
}
#主題的字{
    color:rgb(3, 122, 124);
    font-weight: bolder;
    margin-top: 1%;
    margin-bottom: 1%;
    font-size:50px;
    font-family:"標楷體";
}
.競賽規則{
    font-family:"標楷體";
    text-align: center;
    margin:0 0 0 -2.65%;

}
.競賽規則 >li{
    float: left;
}
.競賽規則 li{
    font-size: 40px;
    list-style-type: none;
    position: relative;
    padding: 0px;
    min-width: 20%;
}
.競賽規則 ul{
    list-style-type: none;
    position: absolute;
    z-index: 10;
    top: 100%;
    display: none;
}
.競賽規則 a{
    display: block;
    padding: 10px;
    text-decoration: none;
    background-color: rgb(36, 141, 143);
    color: white;
}
.競賽規則 a:hover{
    background-color:#ef5c28;
    background-size: cover;
    color: white;
}
.競賽規則 li:hover > ul{
    display: block;
}
#競賽規則的內容{
    margin-top: 7%;
    margin-left: 10%;
    margin-bottom: 10%;
    width: 80%;
    height: 30%;
    color:black;
    font-size: 30px;
    font-family: "標楷體";
}

/* CSS */

#tab {
    width: 1200px;
    background: #2c77b4;
    border: solid 1px #2c77b4;
}

/* 頁籤ul */
#tab > ul {
    /* overflow: hidden; */
    margin: 0;
    padding: 10px 20px 0 20px;
}

#tab > ul > li {
    list-style-type: none;
}

/* 頁籤上的文字 */
#tab > ul > li > a { 
    text-decoration: none;
    font-size: 40px;
    color: rgb(255, 255, 255);
    float: left;
    padding: 10px;
    margin-left: 5px;
}

/*頁籤div內容*/
#tab > div {
    clear: both;
    padding: 0 15px;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}

/*第一筆的底色*/
span:target ~ #tab > ul li:first-child a {
    background: #2c77b4;
}

span:target ~ #tab > div:first-of-type {
    visibility: hidden;
    height: 0;
    padding: 0 15px;
}

/*頁籤變換&第一筆*/
span ~ #tab > ul li:first-child a,
#tab-1:target ~ #tab > ul li a[href$="#tab-1"],
#tab-2:target ~ #tab > ul li a[href$="#tab-2"],
#tab-3:target ~ #tab > ul li a[href$="#tab-3"],
#tab-4:target ~ #tab > ul li a[href$="#tab-4"] {
    background: #ef5c28;
    border-radius: 5px 5px 0 0;
}

span ~ #tab > ul li:first-child a::before,
#tab-1:target ~ #tab > ul li a[href$="#tab-1"]::before,
#tab-2:target ~ #tab > ul li a[href$="#tab-2"]::before,
#tab-3:target ~ #tab > ul li a[href$="#tab-3"]::before,
#tab-4:target ~ #tab > ul li a[href$="#tab-4"]::before {
    background-color: white;
    height: 100%;
}

/*頁籤內容顯示&第一筆*/
span ~ #tab > div:first-of-type,
#tab-1:target ~ #tab > div.tab-content-1,
#tab-2:target ~ #tab > div.tab-content-2,
#tab-3:target ~ #tab > div.tab-content-3,
#tab-4:target ~ #tab > div.tab-content-4 {
    visibility: visible;
    height: auto;
    background: #fff;

}

span {
    display: none;
}
#body底部{margin: 0; padding: 0;}

#div底部{
    text-align:center;
    padding: 0.05px;
    background-color: black;
    color:white;
}