style.css

html {
    height: 100%;
    width: 100%;
  }
  
  .top-bar {
    display: flex;
    gap: 3px;
    background-color: gray;
    min-height: 20px;
    user-select: none;
  }
  
  .top-bar button {
    background-color: #b6b4b4;
    color: green;
    cursor: pointer;
    border: none;
    font-size: 18px;
    transition: 0.3s;
  }
  
  .top-bar button:hover {
    background-color: green;
    color: white;
  }
  
  .bgcolor-box {
    background-color: lightgray;
    color: green;
    transition: 0.3s;
  }
  
  .bgcolor-box:hover {
    color: white;
    background-color: green;
  }
  
  .add-box {
    background-color: #b6b4b4;
    color: green;
    border: none;
    transition: 0.3s;
  }

  .add-box:hover {
    background-color: green;
    color: #b6b4b4;
  }

  #ele-text {
    border-style: solid;
    border-color: red;
    border-radius: 3px;
    box-shadow: 0px 0px 0px 0px 0rem rgba(255, 0, 0, 0.45);
    transition: 0.2s;
  }
  
  #ele-text:focus {
    border-style: solid;
    border-color: red;
    box-shadow: 0px 0px 5px 3px red;
    box-shadow: 0px 0px 0px 3px red;
    box-shadow: 0px 0px 0px 0.25rem rgba(255, 0, 0, 0.45);
    outline-style: none;
  }

  #btn-box {
    background-color: rgba(255, 255, 255, 1);
    width: 300px;
    display: flex;
    justify-content: space-around;
    flex-direction: column;
    align-items: center;
    padding-bottom: 20px;
  }

  .bootstrap-success-btn {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0px rgba;
    color: #fff;
    background-color: #28a745;
    transition: ease-in-out .15s;
  }
  .bootstrap-success-btn:focus {
    box-shadow: 0 0 0 .2rem rgba(40,167,69,.5)
  }
  .bootstrap-success-btn:hover {background-color: #218838;}
  
  .bootstrap-danger-btn {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0.25rem rgba;
    color: #fff;
    background-color: #dc3545;
    transition: ease-in-out .15s;
  }
  .bootstrap-danger-btn:focus {
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .5);
  }
  .bootstrap-danger-btn:hover {background-color: #c82333;}
  
  #del-ele {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0.25rem rgba;
    color: #fff;
    background-color: #dc3545;
    transition: ease-in-out .15s;
  }
  
  #del-ele:focus {
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .5);
  }
  
  #del-ele:hover {background-color: #c82333;}
  
  #popup-no {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0px rgba;
    color: #fff;
    background-color: #28a745;
    transition: ease-in-out .15s;
  }
  
  #del-ele {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0.25rem rgba;
    color: #fff;
    background-color: #dc3545;
    transition: ease-in-out .15s;
  }
  
  #del-ele:focus {
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .5);
  }
  
  #del-ele:hover {background-color: #c82333;}
  
  #popup-no {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0px rgba;
    color: #fff;
    background-color: #28a745;
    transition: ease-in-out .15s;
  }
  
  
  #popup-no:focus {
    box-shadow: 0 0 0 .2rem rgba(40,167,69,.5)
  }
  
  #popup-no:hover {background-color: #218838;}
  
  #btn-box > * {
    padding: 0;
    margin: 0;
  }
  
  #btn-box div {user-select: none;}
  
  
  #btn-box1 {
    background-color: rgba(255, 255, 255, 1);
    width: 300px;
    display: flex;
    justify-content: space-around;
    flex-direction: column;
    align-items: center;
    padding-bottom: 20px;
  }
  
  #new-tab {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0px rgba;
    color: #fff;
    background-color: #28a745;
    user-select: none;
    transition: ease-in-out .15s;
  }
  
  #new-tab:focus {
    box-shadow: 0 0 0 .2rem rgba(40,167,69,.5)
  }
  
  #new-tab:hover {background-color: #218838;}
  
  #same-tab {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0.25rem rgba;
    color: #fff;
    background-color: #dc3545;
    user-select: none;
    transition: ease-in-out .15s;
  }
  
  #same-tab:focus {
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .5);
  }
  
  #same-tab:hover {background-color: #c82333;}
  
  #btn-box1 > * {
    padding: 0;
    margin: 0;
  }
  
  #btn-box1 div {user-select: none;}
  
  #same-tab {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0.25rem rgba;
    color: #fff;
    background-color: #dc3545;
    user-select: none;
    transition: ease-in-out .15s;
  }
  
  #class-box {
    background-color: rgba(255, 255, 255, 1);
    width: 300px;
    display: flex;
    justify-content: space-around;
    flex-direction: column;
    align-items: center;
    padding-bottom: 20px;
  }
  
  #c-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    row-gap: 7px;
  }
  
  .c-name {
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    user-select: none;
  }
  
  .c-name:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline-style: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
  }
  
  #add-c {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0rem rgba(0, 123, 255, 0.5);
    color: #fff;
    background-color: #007bff;
    user-select: none;
    transition: ease-in-out .15s;
  }
  
  #add-c:focus {
    box-shadow: 0px 0px 0px 0.2rem rgba(0, 123, 255, 0.5);
  }
  
  #add-c:hover {background-color: #0069d9;}
  
  #done {
    padding: 6px 14px 6px 14px;
    border-radius: .25rem;
    border: none;
    outline-style: none;
    box-shadow: 0px 0px 0px 0px rgba;
    color: #fff;
    background-color: #28a745;
    user-select: none;
    transition: ease-in-out .15s;
  }
  
  #done:focus {
    box-shadow: 0 0 0 .2rem rgba(40,167,69,.5);
  }
  
  #done:hover {background-color: #218838;}
  
  #btn-row-c {user-select: none;}





  #GPE-scroll-container {
    max-height: 90vh;
    overflow-x: hidden;
    overflow-y: auto;
    width: 300px;
  }

  #GPE-scroll-container::-webkit-scrollbar {
    background-color: lightgray;
    width: 14px;
  }
  
  #GPE-scroll-container::-webkit-scrollbar-thumb {
    background-color: green;
    border: 2px solid lightgray;
  }
  
  #GPE-scroll-container::-webkit-scrollbar-button {
    background-color: lightblue;
  }
  
  #GPE-scroll-container::-webkit-scrollbar-button:active {
    background-color: darkgray;
  }
  
  /*
  #top-bar:not(#page-content #top-bar) {
    background-color: green;
  }
  */