body
{
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}
#container
{ 
    position: absolute;
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    display:flex;
    align-items: center;
    justify-content: center;
    background:url('img/404.png') , #151729;
    box-shadow: 0 15px 30px rgba(0, 0, 0, .5);
}

#container .content
{
    max-width: 600px;
    text-align: center;

}
#container .content h2
{
    margin-top: 0;
    font-size: 20vw;
    background: linear-gradient(to bottom, #81121b, #111111);
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    margin-bottom: 15px;
    line-height: 1em;
}
#container .content h4
{
    position: relative;
    font-size: 1.8em;
    margin-bottom: 12px;
    background: #ffffff;
    font-weight: 300;
    padding: 10px 20px;
    display: inline-block;

}
#container .content p
{
    color: #ffffff;
    font-size: 1.4em;
}
#container .content a
{
    position: relative;
    display: inline-block;
    padding: 12px 20px;
    background:linear-gradient(45deg, #81121b,#111111);
    color: #ffffff;
    text-decoration: none;
    margin-top: 15px;
    border-radius: 25px;
    border-bottom: 4px solid #ffffff;
}
#particles-js
{
    width: 100%;
    height: 100%;
    background: #000000;
    background: linear-gradient(45deg, #81121b,#111111);
}