to.css

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
* {
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
  box-sizing: border-box;
}
body {
    background: #78c1f3;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .container {
    background: #ffffff;
    padding: 25px;
    width: 550px;
    border-radius: 10px;
  }
  .todo-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-left: 5px;
    justify-content: center;
  }
  .todo-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #edeef0;
    border-radius: 30px;
    padding-left: 20px;
    margin-bottom: 25px;
  }
  
  .todo-body input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 15px 0;
    font-size: 20px;
  }
  
  .todo-body img {
    cursor: pointer;
    border-radius: 40px;
    height: 55px;
    width: 55px;
    padding: 15px;
    background: limegreen;
  }
  ul li {
    list-style: none;
    font-size: 18px;
    cursor: pointer;
    padding: 10px;
  }
  
  li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #edeef0;
    margin-bottom: 10px;
    border-radius: 5px;
  }
  
  h5 {
    text-align: center;
    margin-bottom: 10px;
    color: green;
  }
  
  .todo-controls {
    width: 25px;
    height: 25px;
    padding: 3px;
    margin-right: 5px;
  }
  li {
    opacity: 0;
    animation: new-item-animation 0.3s linear forwards;
  }
  
  @keyframes new-item-animation {
    from {
      opacity: 0;
      transform: translateY(-400px);
    }
  
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  li.deleted-item {
    animation: removed-item-animation 1s cubic-bezier(0.55, -0.04, 0.91, 0.94)
      forwards;
    transform-origin: 0% 100%;
  }
  
  @keyframes removed-item-animation {
    0% {
      opacity: 1;
      transform: rotateZ(0);
    }
  
    100% {
      opacity: 0;
      transform: translateY(600px) rotateZ(90deg);
    }
  }
  .toggleMe {
    animation: hideMe 5s forwards;
  }
  @keyframes hideMe {
    0% {
      opacity: 1;
    }
    100% {
      opacity: 0;
    }
  }