header{
    width: 100%;
    box-sizing: border-box;
    font-family: sans-serif;

}
body,html{
    height: 100%;
    margin: 0;
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.8em;
    color: #666;
}
body{
    overflow-x: hidden;
}
.top{
    position: relative;
    opacity: 0.8;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-image: url('../img/bg-2.jpg');
    min-height: 40%;
}
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.6s;
    padding: 0px 20px 100px;
    z-index: 100000;


}
header .yunjie{
    position: relative;
    font-family: sans-serif;
    font-weight: 12px;
    color:black;
    text-decoration: none;
    font-size: 1em;
    letter-spacing: 2px;
    transition: 0.6s;
}
header.sticky{
    padding: 0px 20px ;
    background: #000000;
    opacity: 0.8;
}
header ul{
    position: relative;
    display:flex;
    justify-content: center;
    align-items: center;
}
header  ul li{
    position: relative;
    list-style: none;
}
header ul li a{
    position: relative;
    margin: 0 15px;
    text-decoration: none;
    color: #000000;
    letter-spacing: 2px;
    font-weight: 500px;
    transition: 0.6s;
}
header.sticky .yunjie,
header.sticky ul li a{
    color: #ffffff;
}


@media(max-width: 500px){
    .top{
        background-attachment: scroll;
    }
}
.top-about{
    position: absolute;
    top: 50%;
    width: 100%;
    text-align: center;
    color:black;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 48px;
    letter-spacing: 2.5px;
}



/*-- about-us --*/
.out{
    width: auto;
    margin: 80px auto;
    -webkit-display: flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
}
.myphoto{
    width: 40%;
    float: left;
    margin-right: 80px;
}
.arjen,.skill,.scorer{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 12pt;
}

.edu,.work,.SAC{
    clear: both;
    text-align: center;
    margin: 0% auto;
    font-family:monospace;
    font-style: normal;
}
.education{
    width: auto;
    margin: 50px auto;
    -webkit-display: flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
}

.tokaiw{
    float: left;
    margin-right: 50px;
}
.ubcw{
    float: left;
    
}
.tokai , .ubc{
    width: 150px;
    float: left;
}
.tokai{
    margin-left: 130px;
}
.ubc{
    margin-left: 50px;
}

.work1{
    margin: 50px auto;
    -webkit-display: flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
}
.ft{
    width: 150px;
}
#li1{
    padding: 0 16px;
    margin-bottom: 3px;
}
#li2{
    padding: 0 0 0 16px;
}
.FS{
    margin-left: 24px;
    margin-right: 30px;
}
.tokyo{
    width: 150px;
}
.tokyow{
    margin-right: 50px;
}
.fab{
    width: 150px;
}
.fabw{
    margin-bottom: 3px;
    margin-left: 30px;
}

.SACw{
    text-align: center;
}

.footer{
    text-align: center;
    font-size: 9px;
    padding: 15px;
    align-self: center;
}