.card{border: none;overflow: hidden}
.thumbnail_images ul{list-style: none;
justify-content: center;
display: flex;
align-items: left;
}
.thumbnail_images ul li{
margin: 5px;
padding: 5px;
border: 2px solid #CCC;
cursor: pointer;
transition: all 0.5s
}
.thumbnail_images ul li:hover{border: 2px solid #000
}
.main_image{display: flex;
justify-content: center;
align-items: center;
border-bottom: 4px solid #CCC;
height: 400px;
width: 100%;
overflow: hidden
}

.right-side{position: relative}