h1 a {
    background: url('../img/logo_header.png') no-repeat;
    background-size: contain;
    display: block;
    text-indent: -5000px;
}

h1 a img {
    max-width: 100%;
}

.card-header a, .card-header {
    color: #fff;
    text-decoration: none;
}

.settings .card-body i {
    color: #000;
    font-size: 5em;
    text-align: center;
}

.small {
    font-size: 0.8em;
}

.small .btn {
    font-size: 10px;
    padding: 2px 10px;
}

@media only screen and (max-width: 600px) {
    
}