html, body{
    margin: 0;
    padding: 0;
}

.container{
    margin: auto;
    align-items: center;
    justify-content: center;
}

.page_404{
    padding: 40px 0;
    background: #fff;
    align-items: center;
    justify-content: center;
}

.page_404 img{ width: 100%;}

.four_zero_four_bg{
    background-image: url(404.gif);
    height: 400px;
    background-position: center;
}

.four_zero_four_bg h1{
    font-size: 80px;
}

.four_zero_four_bg h3{
    font-size: 80px;
}

.link_404{
    color: #fff!important;
    padding: 10px 20px;
    background: #39ac31;
    margin: 20px 0;
    display: inline-block;
    text-decoration: none;
    border: none;
}

.link_404:hover{
    background: #287923;
}

.contant_box_404{ margin-top: -50px;}

.row{
    margin: auto;
    margin-left: 12.5%;
}