.row.center-row {
    display: block;
    text-align: center;
}
.row.center-row > div {
    display: inline-block;
    float: none;
    text-align: left;
}

.row.card-row .card-block {
    padding: 1em;
}

.btn {
    cursor: pointer;
}

div[data-toggle] .btn-primary {
    background: #59A8FF;
}
div[data-toggle] .btn.active {

}

input.red {
    border-color: #ff0000;
}

input.green {
    border-color: #00ff00;
}