.page_404{
    padding: 40px 0;
    background: #fff;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
.page_404 img{
    width: 100%;
    height: auto;
    margin-bottom: 30px;
    margin-top: 50px;
}
.four-zero-four-bg{
    background-image: url("https://cdn.dribbble.com/users/285475/screenshots/2083086/dribbble_1.gif");
    height: 400px;
    background-position: center;
    background-size: cover;
    position: relative;

}
.four-zero-four-bg h1{
    font-size: 80px;
}
.four-zero-four-bg h3{
   font-size: 80px; 
}
.link_404{
    text-align: center;
    color: #fff !important;
    padding: 10px 20px;
    background: #39ac31;
    margin: 20px 0;
    display: inline-block;

    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
    font-weight: bold;
    position: relative;

}
.content_404{
    margin-top: -50px;
}