.bordered {
    border: 1px solid #2f2f2f;
}

.bordered-top {
    border-top: 1px solid #2f2f2f;
}

.bordered-bottom {
    border-bottom: 1px solid #2f2f2f;
}

.bordered-left {
    border-left: 1px solid #2f2f2f;
}

.bordered-right {
    border-right: 1px solid #2f2f2f;
}