h3, h1 {
    color: #7babf1;
    font-family: sans-serif;
    font-weight: 700;
    text-shadow: 1px 2px 10px #DDD;
}
h1 {
    font-size: 5rem;
}
img {
    width: 350px;
    max-width: 100%;
}
img.lock-img{
    width: 130px;
    margin-top: 30px;
}
.go-back {
    margin-left: 15px;
    font-size: 20px;
    color: #464646;
    cursor: pointer;
    background-color: transparent;
    border: 0;
    text-decoration: underline;
}
.go-back:hover {
    color: #7babf1;
}
@media (max-width: 1200px) and (min-width: 576px) {
    .col-sm-6.links {
        max-width: 40%;
        margin: 20px auto 0;
    }
}
@media(max-width: 768px) {
    .go-back {
        margin-bottom: 40px;
    }
}