h1 {
    margin: 20px;
  }
  
  canvas {
    border: 1px solid black;
    margin-bottom: 20px;
    background-color: #f8ffde;
  }
  
  button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
  }

  /* Style for the button */
button {
    background-color: rgb(149, 185, 174);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  /* Style for the button when hovered over */
  button:hover {
    background-color: darkred;
  }
  
  /* Style for the button when it's clicked */
  button:active {
    background-color: maroon;
  }










* {
    
    text-align: center;
    margin: 0;
}

*:focus{
    outline:none;
}

header {
    height: 100px;
    background-color: #247ABF;
}

body {
    background-color: #008080;
    background-image: url(../main/images/background_tree.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

.flex-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header > div p {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: max-content;
}

header > .flex-wrapper > .reference > .active > a {
    color: black;
}

.logo {
    width: 78px;
    margin-top: 4px;
}

#left_logo {
    margin-left: 28px;
}

#right_logo {
    margin-right: 28px;
}

a, a:visited, a:hover {
    text-decoration: none;
    color: #fff;
}

.wrapper {
    display: grid;
    grid-template-columns: 2fr 5fr;
    margin-top: 5px;
}

.toolbar {
    display: block;
    margin-left: 20px;
}

input{
    appearance: none;
    border: 0;
    border-radius: 10px;
    background: #247ABF;
    color: #f8ffde;
    margin: 20px auto 20px auto;
    
    
    text-align: center;
    display: none;
    width: 300px;
    height: 50px;
}

.tree {
    overflow: scroll;
    width: 1000px;
    height: 600px;
    background-color:  #f8ffde;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#answer:focus, #answer:hover{
    outline: none;
    background-color: #247ABF;
}

.canvas {
    display: block;
    width: 1000px;
    height: 600px;
    border: 5px solid black;
    margin: 0 auto 0 auto;
}

.button-wrapper{
    margin-top: 180px;
}
.input_test {
    
    display: block;
    width: 300px;
    height: 50px;
}

.button {
    appearance: none;
    border: 0;
    border-radius: 10px;
    background: var(--color-secondary);
    color: #fff;
    font-size: 16px;
    margin: 20px auto 20px auto;
    
    text-align: center;
    display: block;
    width: 300px;
    height: 50px;
}
.button:hover {
    background: #add1ee;
}


.label {
    appearance: none;
    border: 0;
    border-radius: 10px;
    background: #247ABF;
    color: #fff;
    font-size: 16px;
    padding: 7px 0 23px 0;
    margin: 20px auto 20px auto;
    text-align: center;
    display: block;
    width: 300px;
    height: 20px;
}

.label:hover {
    background: #7AB0DC;
}
.tree ul {
    display: flex;
    white-space: nowrap;
	padding-top: 20px; 
    position: relative;
}

.tree li {
	float: left; 
    text-align: center;
	list-style-type: none;
	position: relative;
	padding: 20px 5px 0px 0px;
}

.tree li::before, .tree li::after{
	content: '';
	position: absolute; 
    top: 0; right: 50%;
	border-top: 1px solid #ccc;
	width: 50%; 
    height: 20px;
}
.tree li::after{
	right: auto; left: 50%;
	border-left: 1px solid #ccc;
}

.tree li:only-child::after, .tree li:only-child::before {
	display: none;
}

.tree li:only-child{ 
    padding-top: 0;
}

.tree li:first-child::before, .tree li:last-child::after{
	border: 0 none;
}

.tree li:last-child::before{
	border-right: 1px solid #ccc;
	border-radius: 0 5px 0 0;
}

.tree li:first-child::after{
	border-radius: 5px 0 0 0;
}

.tree ul ul::before{
	content: '';
	position: absolute; 
    top: 0; 
    left: 50%;
	border-left: 1px solid #ccc;
	width: 0; height: 20px;
}

.tree li a {
    background: #f5f5f5;
    border: 1px solid #ccc;
    min-width: 200px;
    max-width: min-content;
    padding-top: 15px;
    height: 30px;
    text-decoration: none;
    color: #000;
    font-family: arial, verdana, tahoma;
    font-size: 12px;
    display: inline-block;
    border-radius: 5px;
}

-----------------------------------------------

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
  }
  
  :root {
    --color-primary: #191d2b;
    --color-secondary: #27AE60;
    --color-white: #FFFFFF;
    --color-black: #000;
    --color-grey0: #f8f8f8;
    --color-grey-1: #dbe1e8;
    --color-grey-2: #b2becd;
    --color-grey-3: #6c7983;
    --color-grey-4: #454e56;
    --color-grey-5: #2a2e35;
    --color-grey-6: #12181b;
    --br-sm-2: 14px;
    --box-shadow-1: 0 3px 15px rgba(0,0,0,.3);
  }
  
  .light-mode {
    --color-primary: #ffffffce;
    --color-secondary: #928b28;
    --color-white: #454e56;
    --color-black: #000;
    --color-grey0: #f8f8f8;
    --color-grey-1: #6c7983;
    --color-grey-2: #6c7983;
    --color-grey-3: #6c7983;
    --color-grey-4: #454e56;
    --color-grey-5: #f8f8f8;
    --color-grey-6: #12181b;
  }
  
  body {
    background-color: var(--color-primary);
    
    font-size: 1.1rem;
    color: var(--color-white);
    transition: all 0.4s ease-in-out;
  }
  
  a {
    display: inline-block;
    text-decoration: none;
    color: inherit;
    font-family: inherit;
  }
  
  header {
    min-height: 100vh;
    color: var(--color-white);
    overflow: hidden;
    padding: 0 !important;
  }
  
  section {
    min-height: 100vh;
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    padding: 3rem 18rem;
  }
  
  .container {
    display: none;
    transform: translateY(-100%) scale(0);
    transition: all 0.4s ease-in-out;
    background-color: var(--color-primary);
  }
  
  .active {
    display: block;
    animation: appear 1s ease-in-out;
    transform: translateY(0) scaleY(1);
  }
  @keyframes appear {
    0% {
      transform: translateY(-100%) scaleY(0);
    }
    100% {
      transform: translateY(0) scaleY(1);
    }
  }
  
  .controls {
    position: fixed;
    z-index: 10;
    top: 50%;
    right: 3%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateY(-50%);
  }
  .controls .control {
    padding: 1rem;
    cursor: pointer;
    background-color: var(--color-grey-4);
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0.7rem 0;
    box-shadow: var(--box-shadow-1);
  }
  .controls .control i {
    font-size: 1.2rem;
    color: var(--color-grey-2);
    pointer-events: none;
  }
  .controls .active-btn {
    background-color: var(--color-secondary);
    transition: all 0.4s ease-in-out;
  }
  .controls .active-btn i {
    color: var(--color-white);
  }
  
  .theme-btn {
    top: 5%;
    right: 3%;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--color-grey-4);
    cursor: pointer;
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.1s ease-in-out;
  }
  .theme-btn:active {
    transform: translateY(-3px);
  }
  .theme-btn i {
    font-size: 1.4rem;
    color: var(--color-grey-2);
    pointer-events: none;
  }
  
  /*Header-content*/
  .header-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    min-height: 100vh;
  }
  .header-content .left-header {
    display: flex;
    align-items: center;
    position: relative;
  }
  .header-content .left-header .h-shape {
    transition: all 0.4s ease-in-out;
    width: 65%;
    height: 100%;
    background-color: var(--color-secondary);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    clip-path: polygon(0 0, 46% 0, 79% 100%, 0% 100%);
  }
  .header-content .left-header .image {
    border-radius: var(--br-sm-2);
    height: auto;
    width: auto;
    margin-left: 4rem;
  
    transition: all 0.4s ease-in-out;
  }
  .header-content .left-header .image img {
    width: auto;
    height: auto;
    
    transition: all 0.4s ease-in-out;
    filter: grayscale(100%);
  }
  .header-content .left-header .image img:hover {
    filter: grayscale(0);
  }
  .header-content .right-header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 18rem;
  }
  .header-content .right-header .name {
    font-size: 3rem;
  }
  .header-content .right-header .name span {
    color: var(--color-secondary);
  }
  .header-content .right-header p {
    margin: 1.5rem 0;
    line-height: 2rem;
  }
  
  
  /*Timeline*/
  .timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 2rem;
    padding-bottom: 3rem;
  }
  .timeline .timeline-item {
    position: relative;
    padding-left: 3rem;
    border-left: 1px solid var(--color-grey-5);
  }
  .timeline .timeline-item .tl-icon {
    position: absolute;
    left: -27px;
    top: 0;
    background-color: var(--color-secondary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .timeline .timeline-item .tl-icon i {
    font-size: 1.3rem;
  }
  .timeline .timeline-item .tl-duration {
    padding: 0.2rem 0.6rem;
    background-color: var(--color-grey-5);
    border-radius: 15px;
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 500;
  }
  .timeline .timeline-item h5 {
    padding: 1rem 0;
    text-transform: uppercase;
    font-size: 1.3rem;
    font-weight: 600;
  }
  .timeline .timeline-item h5 span {
    color: var(--color-grey-2);
    font-weight: 500;
    font-size: 1.2rem;
  }
  .timeline .timeline-item p {
    color: var(--color-grey-2);
  }
  .blogs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 2rem;
    margin-top: 3rem;
  }
  .blogs .blog {
    position: relative;
    background-color: var(--color-grey-5);
    border-radius: 5px;
    box-shadow: 1px 1px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease-in-out;
  }
  .blogs .blog:hover {
    box-shadow: 1px 1px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(-5px);
    transition: all 0.4s ease-in-out;
  }
  .blogs .blog:hover img {
    filter: grayscale(0);
    transform: scale(1.1);
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.8);
  }
  .blogs .blog img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    filter: grayscale(100%);
    transition: all 0.4s ease-in-out;
  }
  .blogs .blog .blog-text {
    margin-top: -7px;
    padding: 1.1rem;
    border-top: 8px solid var(--color-secondary);
  }
  .blogs .blog .blog-text h4 {
    font-size: 1.5rem;
    margin-bottom: 0.7rem;
    transition: all 0.4s ease-in-out;
    cursor: pointer;
  }
  .blogs .blog .blog-text h4:hover {
    color: var(--color-secondary);
  }
  .blogs .blog .blog-text p {
    color: var(--color-grey-2);
    line-height: 2rem;
    padding-bottom: 1rem;
  }
  
  .contact-content-con {
    display: flex;
    padding-top: 3.5rem;
  }
  .contact-content-con .left-contact {
    flex: 2;
  }
  .contact-content-con .left-contact h4 {
    margin-top: 1rem;
    font-size: 2rem;
    text-transform: uppercase;
  }
  .contact-content-con .left-contact p {
    margin: 1rem 0;
    line-height: 2rem;
  }
  .contact-content-con .left-contact .contact-info .contact-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .contact-content-con .left-contact .contact-info .contact-item p {
    margin: 0.3rem 0 !important;
    padding: 0 !important;
  }
  .contact-content-con .left-contact .contact-info .contact-item .icon {
    display: grid;
    grid-template-columns: 40px 1fr;
  }
  .contact-content-con .left-contact .contact-info .contact-item .icon i {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
  }
  .contact-content-con .left-contact .contact-icon {
    display: flex;
    margin-top: 2rem;
  }
  .contact-content-con .left-contact .contact-icon a {
    display: flex;
    align-items: center;
    color: var(--color-white);
    background-color: var(--color-grey-5);
    cursor: pointer;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin: 0 0.4rem;
    transition: all 0.4s ease-in-out;
  }
  .contact-content-con .left-contact .contact-icon a:hover {
    background-color: var(--color-secondary);
  }
  .contact-content-con .left-contact .contact-icon a:hover i {
    color: var(--color-primary);
  }
  .contact-content-con .left-contact .contact-icon a i {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
  }
  .contact-content-con .right-contact {
    flex: 3;
    margin-left: 3rem;
  }
  .contact-content-con .right-contact .input-control {
    margin: 1.5rem 0;
  }
  .contact-content-con .right-contact .input-control input, .contact-content-con .right-contact .input-control textarea {
    background-color:#f8ffde;

    border-radius: 30px;
    font-weight: inherit;
    font-size:large;
    font-family: inherit;
    padding: 0.8rem 1.1rem;
    outline: none;
    border: none;
    background-color: var(--color-grey-5);
    width: 100%;
    color: var(--color-white);
    resize: none;
  }
  .contact-content-con .right-contact .i-c-2 {
    display: flex;
  }
  .contact-content-con .right-contact .i-c-2 :last-child {
    margin-left: 1.5rem;
  }
  .contact-content-con .right-contact .submit-btn {
    display: flex;
    justify-content: flex-start;
  }
  
  /*Independed components*/
  .btn-con {
    display: flex;
    align-self: flex-start;
  }
  
  .main-btn {
    border-radius: 30px;
    color: inherit;
    font-weight: 600;
    position: relative;
    border: 1px solid var(--color-secondary);
    display: flex;
    align-self: flex-start;
    align-items: center;
    overflow: hidden;
  }
  .main-btn .btn-text {
    padding: 0 2rem;
  }
  .main-btn .btn-icon {
    background-color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 1rem;
  }
  .main-btn::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    transform: translateX(100%);
    transition: all 0.4s ease-out;
    z-index: -1;
  }
  .main-btn:hover {
    transition: all 0.4s ease-out;
  }
  .main-btn:hover::before {
    width: 100%;
    height: 100%;
    background-color: var(--color-secondary);
    transform: translateX(0);
    transition: all 0.4s ease-out;
  }
  
  .main-title {
    text-align: center;
  }
  .main-title h2 {
    position: relative;
    text-transform: uppercase;
    font-size: 4rem;
    font-weight: 700;
  }
  .main-title h2 span {
    color: var(--color-secondary);
  }
  .main-title h2 .bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    color: var(--color-grey-5);
    transition: all 0.4s ease-in-out;
    z-index: -1;
    transform: translate(-50%, -50%);
    font-weight: 800;
    font-size: 6.3rem;
  }
  
  .about-container .left-about p {
    padding-left: 0;
  }
  
  @media screen and (max-width: 600px) {
    header {
      padding: 0 !important;
    }
  
    .theme-btn {
      width: 50px;
      height: 50px;
    }
  
    .header-content {
      grid-template-columns: repeat(1, 1fr);
      padding-bottom: 6rem;
    }
  
    .left-header .h-shape {
      display: none;
    }
  
    .right-header {
      grid-row: 1;
      padding-right: 0rem !important;
      width: 90%;
      margin: 0 auto;
    }
    .right-header .name {
      font-size: 2.5rem !important;
      text-align: center;
      padding-top: 3rem;
    }
  
    .header-content .left-header .image {
      margin: 0 auto;
      width: 90%;
    }
  
    .controls {
      top: auto;
      bottom: 0;
      flex-direction: row;
      justify-content: center;
      left: 100%;
      transform: translateX(-50%);
      width: 100%;
      background-color: var(--color-grey-5);
    }
    .controls .control {
      margin: 1rem 0.3rem;
    }
  
    .about-container {
      grid-template-columns: repeat(1, 1fr);
    }
    .about-container .right-about {
      grid-template-columns: repeat(1, 1fr);
      padding-top: 2.5rem;
    }
    .about-container .left-about {
      padding-right: 0;
    }
    .about-container .left-about p {
      padding-left: 0;
    }
  
    .timeline {
      grid-template-columns: repeat(1, 1fr);
      padding-bottom: 6rem;
    }
  
    .container {
      padding: 2rem 2.5rem !important;
    }
  
    .about-stats .progress-bars {
      grid-template-columns: repeat(1, 1fr);
    }
  
    .portfolios {
      grid-template-columns: repeat(1, 1fr);
      padding-bottom: 6rem;
      margin-top: 1rem;
    }
  
    .blogs {
      grid-template-columns: repeat(1, 1fr);
      padding-bottom: 6rem;
    }
  
    .contact-content-con {
      flex-direction: column;
    }
    .contact-content-con .right-contact {
      margin-left: 0;
      margin-top: 2.5rem;
    }
  
    .contact-content-con .right-contact .i-c-2 {
      flex-direction: column;
    }
  
    .contact-content-con .right-contact .i-c-2 :last-child {
      margin-left: 0;
      margin-top: 1.5rem;
    }
  
    .contact-content-con .right-contact {
      margin-bottom: 6rem;
    }
  
    .contact-item {
      flex-direction: column;
      margin: 1rem 0;
    }
    .contact-item p {
      font-size: 15px;
      color: var(--color-grey-2);
    }
    .contact-item span {
      font-size: 15px;
    }
    .contact-item .icon {
      grid-template-columns: 25px 1fr;
    }
  
    .main-title h2 {
      font-size: 2rem;
    }
    .main-title h2 span {
      font-size: 2.3rem;
    }
    .main-title h2 .bg-text {
      font-size: 2.3rem;
    }
  }
  @media screen and (max-width: 1432px) {
    .container {
      padding: 7rem 11rem;
    }
  
    .contact-content-con {
      flex-direction: column;
    }
    .contact-content-con .right-contact {
      margin-left: 0;
      margin-top: 2.5rem;
    }
  
    .contact-content-con .right-contact .i-c-2 {
      flex-direction: column;
    }
  
    .contact-content-con .right-contact .i-c-2 :last-child {
      margin-left: 0;
      margin-top: 1.5rem;
    }
  
    .contact-content-con .right-contact {
      margin-bottom: 6rem;
    }
  
    .main-title h2 .bg-text {
      font-size: 5.5rem;
    }
  }
  @media screen and (max-width: 1250px) {
    .blogs {
      grid-template-columns: repeat(2, 1fr);
      margin-top: 6rem;
    }
  
    .portfolios {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .header-content .right-header {
      padding-right: 9rem;
    }
  }
  @media screen and (max-width: 660px) {
    .blogs {
      grid-template-columns: repeat(1, 1fr);
    }
  
    .portfolios {
      grid-template-columns: repeat(1, 1fr);
    }
  }
  @media screen and (max-width: 1070px) {
    .about-container {
      grid-template-columns: repeat(1, 1fr);
    }
    .about-container .right-about {
      padding-top: 2.5rem;
    }
  
    .main-title h2 {
      font-size: 4rem;
    }
    .main-title h2 span {
      font-size: 4rem;
    }
    .main-title h2 .bg-text {
      font-size: 4.5rem;
    }
  }
  @media screen and (max-width: 970px) {
    .container {
      padding: 7rem 6rem;
    }
  
    .about-container .left-about {
      padding-right: 0rem;
    }
  
    .header-content {
      grid-template-columns: repeat(1, 1fr);
      padding-bottom: 6rem;
    }
  
    .left-header .h-shape {
      display: none;
    }
    .left-header .image {
      width: 90% !important;
      margin: 0 auto !important;
    }
  
    .right-header {
      grid-row: 1;
      padding-right: 0rem !important;
      width: 90%;
      margin: 0 auto;
    }
    .right-header .name {
      font-size: 2.5rem !important;
      text-align: center;
      padding-top: 3rem;
    }
  }
  @media screen and (max-width: 700px) {
    .container {
      padding: 7rem 3rem;
    }
  
    .about-stats .progress-bars {
      grid-template-columns: repeat(1, 1fr);
    }
  
    .about-container .right-about {
      grid-template-columns: repeat(1, 1fr);
    }
  
    .timeline {
      grid-template-columns: repeat(1, 1fr);
    }
  
    .main-title h2 {
      font-size: 3rem;
    }
    .main-title h2 span {
      font-size: 3rem;
    }
    .main-title h2 .bg-text {
      font-size: 4rem;
    }
  }
  
  .footer-content{
    text-align: center;
  }
  
  .frame{
    
    width: auto;
    height: auto;
    border: 15px solid var(--color-secondary);
    margin: auto;
    padding: 5px 5px;
  }
  
  *button{
    color: var(--color-white);
    top: auto;
    bottom: 0;
    flex-direction: row;
    justify-content: center;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    background-color: var(--color-grey-5);
  }
  
  
  *form{
    position: fixed;
    z-index: 10;
    top: 50%;
    right: 3%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateY(-50%);
  }
  /* Style for the button */
  button {
    background-color: rgb(149, 185, 174);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: auto;
    height: auto;
    font-size: large;
  }
  
  /* Style for the button when hovered over */
  button:hover {
    background-color:var(--color-secondary);
  }
  
  /* Style for the button when it's clicked */
  button:active {
    background-color: var(--color-secondary);
  }
  
/* Style for the label */
  label {
    background-color: rgb(149, 185, 174);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 300px;
    height: 50px;
    font-size: large;
  }

  /* Style for the label when hovered over */
  label:hover {
    background-color:var(--color-secondary);
  }
  
  /* Style for the label when it's clicked */
  label:active {
    background-color: var(--color-secondary);
  }