.big-text{
    font-size: 1.6em;
}
.bg-gray {
    background-color: #F4F4F4;
}
.border-box {
    border: 1px solid #333333;
    border-radius: 16px;
    padding: 2em;
    font-size: .9em;
}
.border-box h4 {
    font-size: 1.3em;
}
.border-box p {
    font-size: 1em;
    margin-bottom: 1.6em;
}
@media (max-width:991px) {
    .big-text{
    font-size: 1.3em;
        font-weight: bold;
}
}
@media (max-width:767px) {
    .big-text{
    font-size: 1.1em;
        font-weight: bold;
}
}