App.css

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande',
      'Lucida Sans', Arial, sans-serif;
  }
  
  body {
    background: radial-gradient(circle at bottom, navy 0, black 100%);
    height: 100vh;
  }
  
  .todo-app {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 520px;
    min-height: 600px;
    background: #161a2b;
    text-align: center;
    margin: 128px auto;
    border-radius: 10px;
    padding-bottom: 32px;
  }
  .todo-input {
    padding: 14px 32px 14px 16px;
    border-radius: 4px 0 0 4px;
    border: 2px solid #0cffc2;
    outline: none;
    width: 320px;
    background: transparent;
    color: #fff;
  }

  @media (max-width: 1024px) {
    .todo-app {
      width: 520px;
      min-height: 600px;
    }
  }

  @media (max-width: 768px) {
    .todo-app {
      width: 520px;
      min-height: 600px;
    }
  }

  @media (max-width: 425px) {
    .todo-app {
      width: 350px;
      min-height: 400px;
      margin: 50px auto;
    }
  }
  @media (max-width: 425px) {
    .todo-input {
      padding: 14px 10px 15px 10px;
      width: 250px;
    }
  }

  @media (max-width: 375px) {
    .todo-app {
      width: 300px;
      min-height: 400px;
      margin: 50px auto;
    }
  }

  @media (max-width: 375px) {
    .todo-input {
      padding: 14px 10px 15px 10px;
      width: 200px;
    }
  }

  h1 {
    margin: 32px 0;
    color: #f8b34b;
    font-size: 24px;
  }
  
  .complete {
    text-decoration: line-through;
    opacity: 0.4;
  }
  
  .todo-form {
    margin-bottom: 32px;
  }
  
  .todo-input::placeholder {
    color: #aa80aa;
  }
  
  .todo-button {
    padding: 16px;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    outline: none;
    background: linear-gradient(
      90deg,
      rgba(93, 12, 255, 1) 0%,
      rgba(155, 0, 250, 1) 100%
    );
    color: #fff;
    text-transform: capitalize;
  }
  
  .todo-input.edit {
    border: 2px solid #149fff;
  }
  
  .todo-button.edit {
    background: linear-gradient(
      90deg,
      rgba(20, 159, 255, 1) 0%,
      rgba(17, 122, 255, 1) 100%
    );
    padding: 16px 22px;
  }
  
  .todo-container {
    display: flex;
    flex-direction: row;
    position: relative;
  }
  
  .todo-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 4px auto;
    color: #fff;
    background: rgb(36,0,31);
    background: linear-gradient(39deg, rgba(36,0,31,1) 6%, rgba(9,9,121,1) 44%, rgba(0,212,255,1) 100%);
  
    padding: 16px;
    border-radius: 5px;
    width: 90%;
  }
  
  .todo-row:nth-child(4n + 1) {
    background: rgb(20,62,145);
    background: linear-gradient(39deg, rgba(20,62,145,1) 4%, rgba(227,11,11,1) 45%, rgba(0,255,222,1) 100%);
  }
  
  .todo-row:nth-child(4n + 2) {
    background: rgb(94,4,4);
    background: linear-gradient(39deg, rgba(94,4,4,1) 4%, rgba(243,245,3,1) 45%, rgba(94,0,255,1) 100%);
  }
  
  .todo-row:nth-child(4n + 3) {
    background: rgb(44,164,112);
    background: linear-gradient(39deg, rgba(44,164,112,1) 7%, rgba(245,3,207,1) 42%, rgba(9,157,228,1) 100%);
  }
  
  .icons {
    display: flex;
    align-items: center;
    font-size: 24px;
    cursor: pointer;
  }
  
  .delete-icon {
    margin-right: 5px;
    color: rgb(0, 0, 0);
  }
  
  .edit-icon {
    color: rgb(252, 253, 253);
  }

  ::-webkit-scrollbar {
    width: 10px;
  }

  ::-webkit-scrollbar-thumb {
      background: #f8b34b;
      border-radius: 10px;
  }

  ::-webkit-scrollbar-track {
      background: radial-gradient(circle at bottom, navy 0, black 100%);
  }

  ::-webkit-scrollbar-thumb:hover {
      background: #aaaaaa;
  }

  .modal {
    background: rgb(106, 110, 109);
    background: linear-gradient(39deg, rgb(120, 124, 122) 7%, rgb(218, 177, 67) 42%, rgba(9,157,228,1) 100%);
    border-radius: 30px;
    justify-content: center;
    height: 135px;
    width: auto;
    text-align: center;
    margin: 50px 25px 0 25px;
  }
  .modal h2 {
    color: #f71717;
    margin: 0 0 15px 0;
    height: 20px;
  }
  .modal p {
    font-size: 1.2em;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  }
  .modal button {
    padding: 16px;
    border: none;
    border-radius: 0 20px 0 20px;
    cursor: pointer;
    outline: none;
    background: linear-gradient(
      90deg,
      rgba(93, 12, 255, 1) 0%,
      rgba(155, 0, 250, 1) 100%
    );
    color: #fff;
    margin-top: 15px;
  }
  @media (max-width: 320px) {
    .modal {
      width: fit-content;
      height: 150px;
    }
  }

  .loading-content {
    width: 200px;
    height: 200px;
    display: flex;
    position: relative;
    align-items: center;
    justify-content: center;
    margin: 200px auto;
  }
  .loading-circle {
    top: 0;
    width: 200px;
    height: 100px;
    position: absolute;
    border: 1px solid #000;
    border-bottom: 0;
    transform-origin: 50% 100%;
    background-color: transparent;
    border-top-left-radius: 110px;
    border-top-right-radius: 110px;
    -ms-transform-origin: 50% 100%;
    -webkit-transform-origin: 50% 100%;
    animation: loading 1.5s linear infinite;
    -webkit-animation: loading 1.5s linear infinite;
  }
  .loading-name {
    color: #000;
    cursor: default;
    position: relative;
    font-family: Tahoma, Arial;
  }
  @-webkit-keyframes loading {
      from {
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
      }
      to {
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
      }
  }
  @keyframes loading {
      from {
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
      }
      to {
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
      }
  }