.nn_programs_block {
    position: relative;
    display: block;
    cursor: pointer;
    overflow: hidden;
}

.nn_programs_block .text-container {
    position: absolute;
    padding: 20px;
    z-index: 10;
    bottom: -85px;
    transition: 0.5s ease;
}

.nn_programs_block h2.header, .nn_programs_block p{
    padding: 0;
    margin: 0;
    transition: color 0.5s ease;
}

.nn_programs_block h2.header {
    margin-bottom: 10px;
    font-size: 32px;
    transition: color 0.5s ease;
}

.nn_programs_block img {
    width: 100%;
    height: auto;
}

.nn_programs_block p {
    font-size: 16px;
}

.nn_programs_block:hover .overlay{
    opacity: 1;
}

.program-card-1.nn_programs_block:hover .content p, .program-card-1.nn_programs_block:hover h2.header, .program-card-4.nn_programs_block:hover .content p, .program-card-4.nn_programs_block:hover h2.header {
    color: white!important;
}

.program-card-2.nn_programs_block:hover .content p, .program-card-2.nn_programs_block:hover h2.header, .program-card-3.nn_programs_block:hover .content p, .program-card-3.nn_programs_block:hover h2.header {
    color: black!important;
}

.nn_programs_block .overlay{
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    top: 0;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    z-index: 1;
}

.nn_programs_block .buttons{
    position: relative;
    text-align: center;
    padding-top: 1rem;
    z-index: 99;
}
.nn_programs_block .buttons a{
    background: rgba(255,255,255,0);
    color: #fff;
    border: 3px solid white;
    padding: 1rem 1.5rem;
    width: 175px;
    font-size: 1.2rem;
    border-radius: 5px;
    display: block;
    opacity: 1;
    transition: opacity 0.5s ease;
}
.nn_programs_block .buttons a:hover{
    opacity: 0.7;
}

.program-card-3.nn_programs_block .buttons a, .program-card-2.nn_programs_block .buttons a{
    border: 3px solid black;
    color: black
}

.nn_programs_block:hover .text-container{
    transition: 0.5s ease;
    bottom: 0;
}