/*Head navigation bar - logo*/
.logo{
    margin: 0 auto;
}
.logo a img{
    float: left;
    padding-right: 4px;
}
.imgtju1{
    width: 5%;
    padding-top: 5px;
    padding-left: 1%;
} 
.imgtju1:hover{
    transform: scale(1.2);
}
.imgtju2{
    padding-top: 31px;
    width: 14%;
}
.imgtju2:hover{
    transform: scale(1.1);
}
/*Head navigation bar - title*/
.headnav{
    position: sticky;
    display: block;
    top: 0;
    background-color: white;
    height: 70px;
    text-align: right;
    z-index: 999;
}
.dropdown{
    position: relative;
    display: inline-block;
    right: 15px;
    height: 40px;
    top:50%;
    transform: translateY(-50%);
}
.dhome{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/home.png);
    background-size: cover;
}
.dteam{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/team.png);
    background-size: cover;
}
.dproject{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/project-lab.png);
    background-size: cover;
}
.dwet{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/project-lab.png);
    background-size: cover;
}
.dsafety{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/safety.png);
    background-size: cover;
}
.dhp{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/hp.png);
    background-size: cover;
}
.dropdown button{
    display: inline-block;
    color: rgb(116, 80, 26);
    font-size: x-large;
    font-family: 'Times New Roman';
    font-weight: bold;
    margin-right: 25px;

    /* 实现居中 */
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 100%;
   
    /* 去掉按钮 */
    border: 0;
	outline: none; 
	background-color: rgba(0, 0, 0, 0);
}
.dropdown button:hover{
    color: rgb(165, 130, 77);
}
.dropdown button a{
    color: rgb(116, 80, 26);
    text-decoration: none;
}
.dropdown button a:hover{
    text-decoration: underline;
    color: rgb(165, 130, 77);
}
.dropdown-content{
    display: none;
    position: absolute;
    text-align: left;
    margin-top: 1px;
} 
.dpc1{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/team-down2.png);
    background-size: 100% 100%;
}
.dpc2{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/simuban1.png);
    background-size: 100% 100%;
}
.dpc3{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/lab-down.png);
    background-size: 100% 100%;
}
.dpc4{
    background-image: url(https://static.igem.wiki/teams/4703/wiki/head/hp-down.png);
    background-size: 100% 100%;
}
.dropdown-content a{
    display: block;
    color: rgb(100, 68, 20);
    font-family: "Microsoft New Tai Lue (2)";
    font-size: large;
    text-decoration: none;
    padding: 5px 15px;/*The first parameter sets the upper and lower inner margins*/
}
.dropdown-content a:hover{
    text-decoration: underline;
    color: rgb(147, 118, 73);
}
.dropdown:hover .dropdown-content{
    display: block;
}
#dpd1{
    min-width: 165px;
}
#dpd2{
    min-width: 200px;
}
#dpd3{
    min-width: 180px;
}