style.css

label {
    font-size: 20px;
  }

  h1 {
    margin: 0;
  }

  body {
    color: chartreuse;
    font-weight: 900;
    margin: 0;
    background-color: darkslategrey;
    display: flex;
    flex-direction: column;
    height: 100vh;
  }

  #header {
    background: red;
    height: 80px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    animation: 1s ease-out 0s 1 slideInFromUp;
  }

  #container {
    display: flex;
    position: relative;
    flex: 1;
  }

  #sidebar {
    background: green;
    width: 300px;
    padding: 20px;
    box-sizing: border-box;
  }

  #main {
    flex: 1;
    padding: 20px;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 2fr));
    gap: 20px;
  }
  
  input {
    border-radius: 5px;
    height: 30px;
  }

  .submitBtn:active {
    background-color: rgba(2, 2, 251, 0.646) !important;
  }

  .submitBtn:hover {
    background-color: rgba(14, 14, 248, 0.081);
  }

  .grid-item {
    background: #fff;
    color: #000;
    padding: 20px;
    border-radius: 5;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }




  #chatbox {
    position: absolute;
    width: 100px;
    display: flex;
    background-color: blue;
    border-radius: 100%;
    z-index: 0;
    bottom: 5%;
    right: 5%;
    z-index: 20;
  }

  #messagebox {
    padding:20px;
  }

  #messagebox:hover {
    padding:30px;
  }

  #fixedDiv {
    position: fixed;
    color: white;
    background-color: sandybrown;
    display: flex;
    border-radius: 100%;
    width: 100px;
    bottom: 5%;
    left: 5%;
    height: 100px;
    z-index: 21;
    align-items: center;
    justify-content: center;
  }

  #stickyBar {
    position: sticky;
    top: 0px;
    grid-column: span 4 / span 4;
    width: 100%;
    height: 200px;
    background-color: pink;
  }

  @keyframes slideInFromUp {
    0% {
      transform: translateY(-100%);
    }
    100% {
      transform: translateY(0);
    }
  }

  /*    
  Important CSS properties 
  height - done
  width - done
  margin - done
  padding - done
  display - done
  position - done
  left, top, botm, right - done
  links 
  icon 
  border - done
  box
  pseudo elemens
  align */


  /* function example of math f = (x) takes input and give output */