* {
    margin: 0;
    padding: 0;
    font-family: cursive;
    box-sizing: border-box;
  }
  .container {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(to right, rgb(44, 170, 149), rgb(255, 242, 184));
    padding: 10px;
  }
  .todo-app {
    width: 100%;
    max-width: 540px;
    background-color: white;
    margin: 50px auto 20px;
    padding: 40px 30px 70px;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
  }
  .write {
    color: rgb(0, 179, 155);
    display: inline-block;
    margin-bottom: 20px;
    letter-spacing: 10px;
    border-right: 5px solid;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    animation: typing 1.5s steps(10) infinite, cursor 4s step-end infinite alternate;
    -webkit-animation: typing 1.5s steps(10) infinite, cursor 4s step-end infinite alternate;
  }
  
  @keyframes cursor {
    50% { border-color: transparent; }
  }
  
  @keyframes typing {
    from { width: 0; }
    to { width: 100%; }
  }
  #form {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #edeef0;
    border-radius: 30px;
    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    -ms-border-radius: 30px;
    -o-border-radius: 30px;
    padding-left: 20px;
    margin-bottom: 25px;
  }
  input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 10px;
    font-weight: 14px;
  }
  button {
    border: none;
    outline: none;
    padding: 16px 50px;
    background: #ff5945;
    color: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 14px;
    -webkit-border-radius: 40px;
    -moz-border-radius: 40px;
    -ms-border-radius: 40px;
    -o-border-radius: 40px;
  }
  ul li {
    list-style: none;
    font-size: 17px;
    padding: 12px 8px 12px 50px;
    user-select: none;
    color: rgb(0, 116, 100);
  }
  ul li::before {
    content: "";
    position: absolute;
    height: 28px;
    width: 28px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
  }
  .check-box {
    margin-right: 10px;
    margin-left: 10px;
  }
  
  .delete-btn {
    background-color: #ff834a;
    color: #fff;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 50px;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    -ms-border-radius: 50px;
    -o-border-radius: 50px;
  }
  
  .checked {
    text-decoration: line-through #ff5945;
    color: #999;
  }
  .delete-btn:hover {
      background-color: #ff5945;
  }