.gallery {
    margin: 10px 50px;
    text-align: center;
}

.gallery img {
    transition: 1s;
    flex: 1;
    width: auto;
    margin: 15px;
    max-height: 150px;
    
    border-radius: 5px;
    box-shadow: 5px 5px 15px 0px rgba(31, 31, 31, 0.3);
}

.gallery img:hover {
    filter: grayscale(100%);
    transform: scale(1.1);
}

.library_title {
    padding: 0px 15px;
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 30px;
    behavior: 'smooth';
    line-height: 1.2;
    color: #222;
}

#library {
    margin-top: 30px;
    max-width: 400px;
}

.library_rows {
    display: flex;
    flex-wrap: wrap;
}

.library_box {
    background: rgba(255, 255, 255, 0.8);
    flex: 1;
    min-width: 275px;
    height: 240px;
    overflow: hidden;
    margin: 10px;
    text-align: center;
    border-radius: 20px;
    box-shadow: 0px 0px 15px 0px rgba(47, 47, 47, 0.25);
}

.library_box img {
    background-position: center;
    width: 100%;
    text-align: center;
    background-repeat: no-repeat;
    background-size: cover;
    box-sizing: border-box;
}

.library_box img:hover {
    transform: scale(1.1);
    transition: all 0.3s ease-in-out;
}

.text-wrapper{
    width: 100%;
    position: relative;
    margin-top: -30%;
}

.text-wrapper h1{
    color: #fff;
    background-color: rgba(51, 51, 51, 0.77);
    font-size: 20px;
    font-weight: bold;
    line-height: 1.6em;
}

.library_box a {
    text-decoration: none;
  }

.library_box a:visited {
    color: #333;
  }