.header-area {
    height: 100vh;
    position: relative;
    z-index: 1;
}

.header-area:after {
    position: absolute;
    background-color: rgba(0,0,0,0.9);
    width: 100%;
    height: 100%;
    content: "";
    left: 0;
    top: 0;
    z-index: -1;
}

.header-area h2 {
    font-size: 40px;
    line-height: 75px;
    font-weight: 800;
    margin-bottom: 5px;
    color: #ffffff;
    text-align:center
}

a:hover {
    text-decoration: none;
}

.header-bg {
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
}

.github {
    text-align: center;
    padding: 10px 0 10px 0;
}

.github img{
    width: 32px;
    height: 32px;
    margin: 0 10px 0 10px;
}

.github a {
    display: inline;
    font-family: 'Source Sans Pro';
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    pointer-events: all;
}

.profession {
    font-family: 'Source Sans Pro';
    font-size: 18px;
    font-weight: 400;
    text-align: center;
    color: #c0c0c0;
}

.panel {
    font-family: 'Source Sans Pro';
    font-size: 1.3em;
    position: absolute;
    width: 100%;
    height: 50%;
    background: rgba(0, 0, 0, 0);
    top: 15%;
    left: 0;
    padding: 20px 20px 0 0;
    border-radius: 4px;
    box-sizing: border-box;
    z-index: 100;
    pointer-events: none;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url(../img/bg.jpg);
    background-color: transparent;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
    z-index: 0;
    left: 0;
    top: 0;
}

.beian {
    font-size: 14px;
    text-align: center;
    padding: 10px 0 10px 0;
    background-color: #A0A0A0;
}

.beian a {
    color: black;
}

.beian img {
    width: 16px;
    height: 16px;
}