*{
    margin: 0;
    padding: 0;
    max-width: 100%;
    min-width: none;
}
li :not(#icon), a {
    display: inline-block;
    font-family: "Montserrat", sans-serif;
    font-weight: 500;
    font-size: 15px;
    color:#484A5F;
    text-decoration: none;
    list-style-type: none;
    top: 0;
    text-align: center;
    padding: 14px 16px;
}

header :not(#header){
    top: 300px;
}

#header {
    justify-content: space-between;
    align-items: center;
    padding: 40px 10%;
    position: relative;
    text-align: center;
}


#header li {
    display: inline-block;
    padding: 0px 20px;
}

#header a {
    transition: all 0.3s ease 0s;
    font-family: Cadisone Sans;
}


#header a:hover {
    background-color: rgb(216, 216, 216);
    color: #bfa2c8;
}

a.active {
    color: #bfa2c8;
}

html, body { 
    background-color: #DBE2E9;
    margin:0; 
    padding:0; 
    height: 100%; 
    width:100%; 
}

section {
    height: 100%;
    width: 100%;
    overflow: hidden;
}


#headerHome {
    float: left;
    display: block;
    margin-left: 100px;

}

.btn {
    background-color: #008bf8;
    border-radius: 10px;
}

.btn:active, .btn:hover{
    background-color: bisque;
}

p {
    white-space: pre-line;
}

header {
    font-size: 50px;
}

img {
    display: block;
}

#homeImg {
    float: right;
    max-width: 370px;
    margin-right: 10%;
}

#home p {
    display: flex;
    text-align: center;
    justify-content: center;
    max-width: 400px;
    margin: 0 auto;
}

#home p:first-of-type {
    margin-top: 60px;
}

strong {
    font-size: xx-large;
}

#introDiv {
    display: block;
    float: left;
    text-align: center;
    padding: 100px;
    margin: 0 auto;
}

h2 {
    font-weight: normal;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}


p {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.css-typing p {
    border-right: .15em solid orange;
    font-family: "Courier";
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
}

.css-typing p:nth-child(1) {
    width: 7.3em;
    -webkit-animation: type 2s steps(40, end);
    animation: type 2s steps(40, end);
    -webkit-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
}

.css-typing p:nth-child(2) {
    width: 7.5em;
    opacity: 0;
    -webkit-animation: type2 2s steps(40, end), blink .5s step-end infinite alternate;
    animation: type2 2s steps(40, end), blink .5s step-end infinite alternate;
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
    -webkit-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
}

@keyframes type {
    0% {
        width: 0;
    }
    99.9% {
        border-right: .15em solid orange;
    }
    100% {
        border: none;
    }
}

@-webkit-keyframes type {
    0% {
        width: 0;
    }
    99.9% {
        border-right: .15em solid orange;
    }
    100% {
        border: none;
    }
}

@keyframes type2 {
    0% {
        width: 0;
    }
    1% {
        opacity: 1;
    }
    99.9% {
        border-right: .15em solid orange;
    }
    100% {
        opacity: 1;
    }
}

@-webkit-keyframes type2 {
    0% {
        width: 0;
    }
    1% {
        opacity: 1;
    }
    99.9% {
        border-right: .15em solid orange;
    }
    100% {
        opacity: 1;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

@-webkit-keyframes blink {
    50% {
        border-color: transparent;
    }
}


.social_icon {
    display: grid;
    text-align: center;
    font-size: 3rem;
    grid-template-columns: repeat(3, 0.08fr);
    grid-auto-flow: column;
    grid-auto-columns: 0.6fr;
    align-items: center;
    margin: 0 auto;
    padding: 15px;
    justify-content: center;

}

.social_icon li {
    display: inline-flex;
    text-align: center;
    list-style-type: none;
}

.social_icon a {
    width: 2rem;
    height: 2rem;
}

.scrollingPJ {
    text-align: center;
    display: flex;
    overflow: auto;
    scroll-snap-type: x mandatory;
    padding: 100px;
    gap: 10px;
    scroll-padding: 10px;
    width: 80%;
    height: 304px;
    background-color: none;
    border: none;
    align-items: stretch;
}

.pj {
  scroll-snap-align: start;
  flex: 0 0 20%;
  background:rgb(216, 216, 216);
  font-size: 1.3rem;
  line-height: 1.3em;
  font-weight: 400;
  min-width: 200px;
  font-family: sans-serif;
  border-radius: 20px;
  cursor: pointer;
  position: relative;
  text-align: center;
  justify-items: center;
}

.scrollingPJ::-webkit-scrollbar {
    -webkit-appearance: none;
}


#pj4:hover{
    background-image: url('./resource/cotuong.jpg');

}

#pj1:hover{
    background-image: url('./resource/guessing.png');

}

#pj2:hover{
    background-image: url('./resource/memorygame.jpg');
}

#pj4:hover{
    background-image: url('./resource/finance-app.jpg');
}

#pj6:hover{
    background-image: url('./resource/nutrient.png');
    background-blend-mode: soft-light;
}

.pj .hidden {
    display: none;
}

.pj:hover {
    border-color: #008bf8;
    box-shadow: 0 4px 18px 0 rgba(0, 0, 0, 0.25);
    background: #00AC7C;
    border-radius: 20px;
    text-align: center;
}

.pj:hover .hidden {
    font-weight: 600;
    position: relative;
    display: inline;
}


.box {
    padding-top: 100px;
    text-align: center;
}


.pj:active{
    transform: scale(0.98);
}

button:not(.work-button) {
    display: inline-block;
    border: rgb(241, 239, 239);
    border-style: solid;
    size: 25px;
    border-radius: 10px;
    text-align: center;
    white-space: nowrap;
    font-size: 11px;
}

.arrow {
  padding: 0px 30px;
  position: relative;
  font-size: x-large;
}

.left {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
}

.right {
  position: absolute;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
}

#arrow-up{
	color:white;
	padding-top:1.8em;
	display:inline-block;/* or block */
	position:relative;
	border-color:white;
	text-decoration:none;
	transition:all .3s ease-out;
    
}

#arrow-up:before{
    font-family: "Font Awesome 5 Free";
	content:'\f062';
    font-weight: 900;
	font-size:1.0em;
    bottom: 20px;
    right: 20px;
	position: fixed;
	border:solid .13em white;
	border-radius:10em;
	width: 2em;
	height: 2em;
	line-height:2.0em;
	border-color:inherit;
    z-index: 99;
    cursor: pointer;
	transition:transform .5s ease-in;
}

#arrow-up:hover{
	color:pink;
	border-color:pink;
}

#arrow-up:hover:before{
	transform: rotate(360deg);
}

form {
    display: block;
    float: right;
    width: 40vw;
    max-width: 400px;
    min-width: 300px;
    margin: 0 auto;
    margin-right: 200px;
    padding-bottom: 2em;
}

#contact-text {
    display: block;
    float: left;
    max-width: 500px;
    padding-top: 100px;
    padding-left: 90px;
    font-size: 40px;
    font-weight: 550;
    font-family:'Verdana', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

fieldset{
    border: none;
}

label {
    display: block;
    margin: 0.8rem 0;
    padding: 20px 0 0 0;
}
  
input {
    margin: 10px 0 0 0;
    width: 100%;
    min-height: 2em;
    background-color: white;
    border: 1px solid #0a0a23;
    color: black;
    border-radius: 5px;
}

button[type="submit"] {
    display: block;
    height: 2em;
    font-size: 1.1rem;
    background-color: #7070b7;
    color: wheat;
    border-color: white;
    min-width: 100px;
    margin: 1em auto;
}

label {
    display: block;
    text-align: right;
    font-family: 'Tahoma', 'Arial Narrow', Arial, sans-serif;
    font-size: small;
    text-transform: none;
}


@media only screen and (max-width: 820px)  {
    ::-webkit-scrollbar{
        display: none;
    }

    form {
        display: block;
        text-align: center;
        max-width: max-content;
        float: none;
        margin: 0 auto;
    }

    #contact-text {
        font-size: 20px;
        padding: 30px;
    }

    label {
        margin-top: -10px;
        padding-top: 2px;
    }

    #homeImg {
        max-height: 150px;
    }

    #homeImgDiv {
        display: flex;
        justify-content: center;
        margin: 0 auto;
    }

    p {
        max-width: 75%;
        margin: 0 auto;
        text-align: justify;
    }
}

@font-face {
    font-family: Cadisone Sans;
    src: url(./resource/Cadisone\ Font\ Duo/);
}

.title {
    font-weight: bold;
    font-size: large;
    margin-bottom: auto;
    font-family: Cadisone Sans;
}

footer {
    text-align: center;
    padding: 2rem 0;
    background-color:#bfa2c8;
}

header {
    font-family: 'Trebuchet MS', 'Arial Narrow', Arial, sans-serif;
    font-size: 3em;
    letter-spacing: -2px;
    text-transform: uppercase;
    padding: 30px;
    color: #bc2e1e;
    background: #edde9c;
    text-shadow: 0 1px 0px #378ab4, 1px 0 0px #5dabcd, 1px 2px 1px #378ab4, 
    2px 1px 1px #5dabcd, 2px 3px 2px #378ab4, 3px 2px 2px #5dabcd, 
    3px 4px 2px #378ab4, 4px 3px 3px #5dabcd, 4px 5px 3px #378ab4, 
    5px 4px 2px #5dabcd, 5px 6px 2px #378ab4, 6px 5px 2px #5dabcd, 6px 7px 1px #378ab4, 
    7px 6px 1px #5dabcd, 7px 8px 0px #378ab4, 8px 7px 0px #5dabcd;
}

#headerHome{
    font-size: 4em;
}

.header_introduction {
    padding: 10px;
    text-align: center;
}

.resume-btn {
    text-align: center;
    padding: 15px;
}

textarea {
    margin-top: 5px;
    height: 150px;
    border-radius: 10px;
    background-color: #ffffff;
    border-color: black;
    border-style:  black 10px solid;
    color: black;
}

input, textarea {
    width: 100%;
    padding: 5px 20px;
    margin: 1px 0;
    box-sizing: border-box;
}

#text-container {
    display: none;
    max-width: 500px;
}

.float-container-experience {
    padding: 10px; 
    text-align: center;
    margin: auto;
}

.sidebar {
    display: flex;
    margin-top: 10px;
    gap: 10px;
}

.sidebar button {
    padding: 5px;
    background-color: black;
    font-size: medium;
    /* border-style: ; */
    border-color: #bfa2c8;
    border-width: 5px;

}
   
.content-item {
    display: none;
    padding: 20px;
}

.content-item.active {
    display: block;
}
  
.float-container-experience .work-button {
    text-align: center;
    display: inline-block;
    gap: 10px;
    border-right-color: #008bf8;
    color: rgb(13, 194, 13);
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

#computingText, #itText, #clubText {
    padding: 20px;
    margin: auto;
    text-align: justify;
    list-style-type: none;
    max-width: 600px;
}

.content-item li {
    margin-bottom: 10px;
}