style.css

.collect{
  width: 150px;
  border: 2px solid black;
  margin: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
}

.collect:hover{
  cursor: pointer;
  background: #03a0ff;
}

.open{
  width: 150px;
  border: 2px solid black;
  margin: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
}

.open:hover{
  cursor: pointer;
  background: #03a0ff;
}

h2{
  margin: 3px;
}


img{
  height: 20px;
}