body {
  --duration: 500ms;
  --color1: #6c5ce7;
  --size: 15rem;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;

  width: 100vw;

  padding: 6rem 1rem 2rem 1rem;
  box-sizing: border-box;
  margin: 0;

  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}
.nav {
  position: fixed;
  top: 0px;
  left: 0px;

  display: flex;
  align-items: center;

  height: 4rem;
  width: 100vw;
  padding: 1rem;
  box-sizing: border-box;

  background-color: var(--color1);

  box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px,
    rgba(0, 0, 0, 0.22) 0px 10px 10px;
}
.btn {
  color: white;
  font-size: 1.5em;
  transition: color var(--duration), transform 50ms;
}
.btn:hover {
  color: #2ed573;
}
.btn:active {
  transform: scale(0.97);
}
.container {
  display: grid;
  justify-content: space-around;
  grid-template-columns: repeat(auto-fill, var(--size));

  grid-gap: 2rem;
  width: 100%;
}
.container .note {
  display: flex;
  flex-direction: column;

  width: var(--size);
  height: calc(var(--size) * 1.2);

  background-color: white;
  overflow: hidden;
  box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
  border-radius: 0.3rem;

  transition: height var(--duration);
}
@keyframes note-leave {
  0% {
    opacity: 1;
    background-color: red;
  }
  100% {
    opacity: 0;
    background-color: red;
  }
}
.note-enter {
  animation: note-enter var(--duration);
}
@keyframes note-enter {
  0% {
    opacity: 0;
    transform: translateY(-2rem);
  }
  100% {
    opacity: 1;
    transform: translateY(0rem);
  }
}

.container .header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  height: 4rem;
  width: 100%;
  padding: 1rem;
  box-sizing: border-box;

  background-color: var(--color1);
}
.container .header .delete.btn:hover {
  color: red;
}
.container textarea {
  flex-grow: 1;
  outline: none;
  border: none;
  background-color: transparent;
  resize: none;
  padding: 1rem;
  box-sizing: border-box;
}
@media screen and (max-width: 17rem) {
  .container {
    --size: calc(100vw - 2rem);
  }
}