@media only screen and (max-width: 720px) {
  .main-content-div {
    height:75%;
    width: auto;
  }
  .input-div {
    height: auto;
  }
}

@media only screen and (max-width: 560px) {
  .main-content-div {
    height: 83%;
  }
  .heading-content {
    height: 10%;
  }
  .header {
    height: 7%;
  }
  .main-content, .main-content-dark-mode  {
    width: 100%;
    height: 100%;
    border: none;
    border-radius:0px;
    outline: none;
    box-shadow: 0 0 0;
  }

  .to-do-list-div {
    height: 100%;
    margin: 0.4rem 0 0 0;
  }
  .heading-content-text {
    margin: 2rem 2rem 0.2rem 2rem;
    font-size: 1.5em;
  }
  .inputTime,
  .inputAddButton {
    margin: 0.5rem 0.3rem;
  }
  .input {
    margin: 0.3rem 0.7rem;
  }
  ul {
    width: 90%;
    margin: 0.4rem;
  }
  li {
    margin: 1rem 0.2rem;
  }
  .list-number,
  .time-list {
    margin: 1rem 0.3rem;
  }
  ::-webkit-scrollbar {
    width: 3px;
  }
}
@media only screen and (max-width: 460px) { 
  .input-div {
    height:25%;

  }
  .to-do-list-div {
    height:73.5%;
  }

  .inputAddButton, .input {
    height: 2rem;
    width: 80%;
    margin: 0.3rem 0.7rem;
  }
  .heading-content-text {
    margin: 2rem 2rem 0rem 2rem;
    font-size: 1.4em;
  }
  .header-logo {
    height: 1.5rem;
    width: 4rem;
  }
  li {
    margin: 0.5rem 0.2rem;
  }

  ::placeholder {
    font-size: 0.9rem;
  }
  
  ul {
    width: 97%;
    margin: 0rem;
    padding: 0;
  }
  li {
    width: 100%;
    margin: 0.7rem 0rem;
    /* flex-wrap: wrap; */
  }
  .right {
    width: 100%;
    justify-content: center;
  }
  .middle {
    width: 100%;
    justify-content: center;
  }
  .left {
    width: 100%;
    justify-content: center;
    text-align: center;
    margin-left: 0;
  }
  .fa-check, .fa-trash-alt, .fa-redo-alt {
    margin: 1rem 0.5rem;
  } 
  .fa-check,
  .fa-trash-alt {
    text-align: center;
    margin-left: 1rem;
  }
}

@media only screen and (max-width: 380px) {
  .heading-content {
    height: 15%;
  }
  .header-text {
    font-size: 1.2rem;
    letter-spacing: 0.3rem;
  }
  .heading-content-text {
    margin: 2rem 2rem 0.2rem 2rem;
    font-size: 1.4em;
   
  }
  .main-content-div {
    height: 74%;
    width: auto;
  }
  .main-content {
    /* min-height: 95%; */
    height: 100%;
  }
  ul {
    width: 97%;
    margin: 0rem;
    padding: 0;
  }
  li {
    width: 100%;
    margin: 0.7rem 0rem;
    /* flex-wrap: wrap; */
  }
  .right {
    width: 100%;
    justify-content: center;
  }
  .middle {
    width: 100%;
    justify-content: center;
  }
  .left {
    width: 100%;
    justify-content: center;
    text-align: center;
    margin-left: 0;
  }
  .fa-check, .fa-trash-alt, .fa-redo-alt {
    margin: 1rem 0.5rem;
  } 
  .fa-check,
  .fa-trash-alt {
    text-align: center;
    margin-left: 1rem;
  }
}