* {
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  height: 100vh;
  background-color: #d0dfe6;
}

.container {
  display: flex;
  width: 100vw;
  height: 100vh;
  justify-content: space-between;
  padding: 20px;
}

.part {
  width: 32.5%;
  min-width: 100px;
  /* height: 100vh; */

  border-radius: 15px;
  transition: background-color 0.3s ease;
}

.cards {
  display: flex;
  flex-direction: column;
  justify-content: start;
  align-items: center;
}

.card {
  background-color: #252c41;
  height: 100px;
  width: 95%;
  margin: 10px;
  border-radius: 10px;
  padding: 15px;
  color: #f4f5f9;
  cursor: pointer;
  font-size: 30px;
  text-align: center;
}

.hovered {
  border: 2px #20366b dashed;
  background-color: #f5f7fa;
}

.invisible {
  display: none;
}