.feature-item .feature_img{
    filter: brightness(50%);
}

.feature-item .feature_img:hover{
    filter: brightness(100%);
    transition: 1s;
}

    .overlay-text {
        position: absolute;
        bottom: 10px;
        left: 30px;
        z-index: 1;
        /* background-color: rgba(255, 255, 255, 0.8); */
        padding: 10px;
        border-radius: 5px;
        font-size: 1.5rem;
        font-weight: 400;
      }