/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Bulletin Board */
.board {
  background: url("https://i.ibb.co/zXgHd8k/cork-texture.jpg");
  background-size: cover;
  border: 15px solid #d8b98b;
  margin: 20px auto;
  padding: 20px;
  width: 90%;
  min-height: 500px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
}

/* Notes */
.note {
  padding: 20px;
  width: 150px;
  height: 150px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
  font-size: 14px;
  position: relative;
}

.note.yellow {
  background: #fff6b0;
}
.note.purple {
  background: #d7c8ff;
}
.note.blue {
  background: #b3d9ff;
}
.note.green {
  background: #c9f7c1;
}
.note.pink {
  background: #ffc4d1;
}
.note.grid {
  background: repeating-linear-gradient(#fff, #fff 20px, #f0f0f0 21px),
    repeating-linear-gradient(90deg, #fff, #fff 20px, #f0f0f0 21px);
}

/* Sizes */
.note.small {
  width: 100px;
  height: 100px;
}
.note.large {
  width: 200px;
  height: 200px;
}

/* Pins */
.note::before {
  content: "";
  width: 15px;
  height: 15px;
  background: red;
  border-radius: 50%;
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: inset -2px -2px 3px rgba(0, 0, 0, 0.2);
}