Trello-Clone--React/src/Components/Board/Board.css

.board {
  min-width: 290px;
  width: 290px;
  height: 100%;
  overflow-y: auto;
  flex-basis: 290px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  
  
  color: #17394d;
}
.board-inner{
  background-color: rgb(223 227 230 / 55%);
  padding: 15px;
  border-radius: 3px;
}
.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 5px;
}

.board-header-title {
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  gap: 5px;
  align-items: center;
}

.board-header-title span {
  color: rgb(145, 145, 145);
}

.board-header-title-more {
  cursor: pointer;
  position: relative;
}

.board-dropdown {
  box-shadow: rgba(0, 0, 0, 0.25) 0px 54px 55px, rgba(0, 0, 0, 0.12) 0px -12px 30px, rgba(0, 0, 0, 0.12) 0px 4px 6px, rgba(0, 0, 0, 0.17) 0px 12px 13px, rgba(0, 0, 0, 0.09) 0px -3px 5px;
  padding: 10px;
  width: 150px !important;
  cursor: default;
}
.board-dropdown p {
  border-bottom: 1px solid #f8f8f8;
  cursor: pointer;
}

.board-cards {
  background-color: #f8f8f8;
  padding: 10px;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.board-add-card {
  background-color: #fff;
  color: #000;
  border-radius: 10px;
  box-shadow: 1px 1px 0 1px rgba(0, 0, 0, 0.12);
  width: 100%;
  text-align: center;
}
.board-add-card-edit {
  background-color: #fff;
  border-radius: 10px;
  padding: 10px;
}