* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body{
    background-color: #FFFFFF!important;
    position: relative;
    height: 100vh;
    background: #f6f6f6;
}

.content-center {
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.img_404 {
    width:90%;
    text-align:center;
    float: left;
    font-size:1.4em;
    margin:0 5%;
    margin-bottom:30px;    
}
.img_404 img {
    max-width: 250px;
}

.title_404 {
    width:100%;
    text-align:center;
    float: left;
    font-size:1.4em;
}

.erro_404 {
    width:100%;
    text-align:center;
    float: left;
    font-size:1.6em;
    font-weight: bold;
    margin:5% 0;
}

.link_404 {
    width:100%;
    text-align:center;
    float: left;
    font-size:1.1em;
}