.error-404{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:120px 20px;
}

.error-404 .container{
    max-width:700px;
}

.error-code{
    display:block;
    font-size:120px;
    font-weight:700;
    line-height:1;
    color:#e0303b;
}

.error-404 h1{
    margin:20px 0;
    font-size:42px;
}

.error-404 p{
    font-size:18px;
    opacity:.7;
    margin-bottom:40px;
}

.error-button{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:16px 32px;
    background:#111 !important;
    color:#fff !important;
    text-decoration:none;
    transition:.3s ease;
}

.error-button:hover{
    background:#e0303b;
}