Para quem precisa do código css da aula:
.photo-frame-container {
position: relative;
box-shadow: 0 3px 5px -1px rgba(0, 0, 0, 0.2), 0 6px 10px rgba(0, 0, 0, 0.14),
0 1px 18px rgba(0, 0, 0, 0.12);
display: inline-block;
border-radius: 2px 2px;
line-height: 0;
.like-bar {
position: absolute;
bottom: 0;
left: 0;
padding: 0.5rem;
background: rgba(255, 250, 250, 0.6);
border-top-right-radius: 5px;
}
}
