css
.trombone img {
  margin: 20px;
  border: 4px solid #000000;
  width: 100%;
  display: block;
}

.troubles img {
  margin: 10px;
  border: 2px solid #000000;
  width: 50px;
  height: 50px;
  float: right;
}

.troubles a {
  float: none;
  display: block;
  color: #000000;
  padding: 5px;
  border: 1px solid #000000;
  border-radius: 5px;
  margin: 0;
  width: 50px;
  height: 50px;
}

.troubles a:hover {
  background-color: #ff0000;
  color: #000000;
  border: 2px solid #000000;
  padding: 5px;
  border-radius: 5px;
  margin: 0;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 20px;
}

.troubles a:active {
  background-color: #00ff00;
  color: #000000;
  border: 2px solid #000000;
  padding: 5px;
  border-radius: 5px;
  margin: 0;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 20px;
}