.peng-grid-gbr {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    grid-gap: 20px;
    align-items: stretch;
}

    .peng-grid-gbr img {
        border: 1px solid #ccc;
        box-shadow: 2px 2px 6px 0px rgba(0,0,0,0.3);
        max-width: 100%;
    }

.wadah {
    position: relative;
    max-width: 800px; /* Maximum width */
    margin: 0 auto; /* Center it */
}

    .wadah .konten {
        position: absolute; /* Position the background text */
        bottom: 0; /* At the bottom. Use top:0 to append it to the top */
        background: rgb(0, 0, 0); /* Fallback color */
        background: rgba(0, 0, 0, 0.5); /* Black background with 0.5 opacity */
        color: #f1f1f1; /* Grey text */
        width: 100%; /* Full width */
        padding: 20px; /* Some padding */
        /*margin-top:1px;
        padding-top:1px;*/
    }