.diamond-open-access {
    margin: 20px 0;
    padding: 18px 16px;
    background: #f8fbfa;
    border: 1px solid #d8e6e1;
    border-left: 4px solid #007a4d;
    border-radius: 4px;
    text-align: center;
}

.diamond-open-access__title {
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #006b43;
}

.diamond-open-access__main {
    margin-bottom: 8px;
    font-size: 22px;
    line-height: 1.2;
    font-weight: 700;
    color: #1f2d38;
}

.diamond-open-access__sub {
    font-size: 14px;
    line-height: 1.4;
    color: #66737c;
}