a.qplb-button {
    display: inline-block;
    padding: 12px 22px;
    margin: 8px 0;
    border: 2px solid transparent;
    border-radius: 5px;
    background: #237a38;
    color: #fff !important;
    font: inherit;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none !important;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: anywhere;
}
a.qplb-blue { background: #175ea8; }
a.qplb-red { background: #b52a32; }
a.qplb-orange { background: #a54600; }
a.qplb-black { background: #222; }
a.qplb-gray, a.qplb-grey { background: #555; }
a.qplb-button:hover { filter: brightness(.9); }
a.qplb-button:focus-visible { outline: 3px solid #175ea8; outline-offset: 3px; }