styles.css

:root {
    --menuColor: #94acfc;
    --blue: #215ef9;
    --menu_underline: #50666f;
    --error-color: #dc3545;
    --success-color: rgba(40, 212, 40, 0.63);
    --warning-color: #ffc107;
}

@font-face {
    font-family: 'Manrope';
    font-weight: 100;
    src: url(fonts/Manrope-Regular.ttf);
}

@font-face {
    font-family: 'Manrope';
    font-weight: 200;
    src: url(fonts/Manrope-ExtraLight.ttf);
}

@font-face {
    font-family: 'Manrope';
    font-weight: 300;
    src: url(fonts/Manrope-Light.ttf);
}

@font-face {
    font-family: 'Manrope';
    font-weight: 400;
    src: url(fonts/Manrope-Medium.ttf);
}

@font-face {
    font-family: 'Manrope';
    font-weight: 500;
    src: url(fonts/Manrope-SemiBold.ttf);
}

@font-face {
    font-family: 'Manrope';
    font-weight: 600;
    src: url(fonts/Manrope-Bold.ttf);
}

@font-face {
    font-family: 'Manrope';
    font-weight: 700;
    src: url(fonts/Manrope-ExtraBold.ttf);
}

h1, h2, p {
    margin: 0em;
    padding: 0.5em;
}

body {
    background-color: #f2f0ef;
    font-family: 'Manrope', sans-serif;
    margin: 0em;
    display: grid;
    grid-template-areas: "header"
                         "main"
                         "footer";
}

main {
    grid-area: main;
}

main > h1 {
    color: #6277b6;
}

section img {
    margin: 0.5em;
}

section h3 {
    margin: 0.5em;
}

/* START-OF: header */

header {
    background-color: var(--blue);
    font-size: 1.1em;
    grid-area: header;
}

nav ul {
    list-style-type: none;
    margin: 0em;
    padding-left: 0em;
    background-color: var(--menuColor);
    display: flex;
    justify-content: space-around;
    text-align: center;
}

nav li > a {
    color: white;
    text-decoration: none;
}

nav li {
    color: white;
    padding: 0.5em 1em;
    flex-basis: 25%;
}

nav li:hover {
    border-bottom: 0.5em solid var(--menu_underline);
    transition: 0.5s;
}

nav li:active {
    background-color: var(--menu_underline);
    border-top: 0.5em solid var(--menu_underline);
    border-bottom: 0.5em solid var(--menu_underline);
    transition: 0.15s;
}

/* END-OF: header */
/* START-OF: footer */

footer {
    background-color: #dadbde;
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    justify-items: center;
    grid-area: footer;
}

footer address ul {
    padding: 0em;
    list-style-type: none;
}

.social-media-footer ul {
    padding: 0em;
    list-style-type: none;
    display: flex;
    flex-direction: row;
    gap: 0.5em;
}

.social-media-footer img {
    border: 2px solid black;
    border-radius: 9.5px;
}

.social-media-footer li:nth-child(1) img:hover {
    background-color: #1d9bf0;
}

.social-media-footer li:nth-child(2) img:hover {
    background-color: #385898;
}

.social-media-footer li:nth-child(3) img:hover {
    background-color: #ff0000;
}

.social-media-footer li:nth-child(4) img:hover {
    background: radial-gradient(at top right,#456eca,#a534ad,#b1338b,#e15947,#f4b753);
}

footer  address a {
    color: black;
    text-decoration: none;
}

footer address li {
    display: block;
}

footer > p {
    clear: both;
    grid-column: 2/3;
}

/* END-OF: footer */
/* START-OF: index.html */

.main-content > h2 {
    color: #6277b6;
}

#search-area-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1em auto auto auto;
    background-color: #b4c8fc;
    border-radius: 5px;
    width: 50%;
}

#search-area-content > h2 {
    text-align: center;
    box-sizing: border-box;
    width: 100%;
    background-color: #6f97fc;
    border-radius: 5px;
}

#search-area-content > label {
    margin-top: 1em;
}

#search-area-content > input[type="text"] {
    margin: 1em auto 1em auto;
    width: 25%;
    padding: 0.5em;
    font-family: 'Manrope', sans-serif;
    box-sizing: border-box;
    border-radius: 5px;
    text-align: center;
}

#search-area-content > button {
    padding: 0.8em;
    margin-bottom: 1em;
    border: 2px solid;
    border-radius: 4px;
    background-color: #6e97fd;
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    transition-duration: 0.5s;
}

#search-area-content > button:hover {
    background-color: #4575f0;
}

#search-area-content > button:active {
    color: white;
    transition: 0s;
}

.alert-box {
    text-align: center;
    display: block;
    padding: 1em;
    border-radius: 5px;
    background-color: rgba(247, 30, 30, 0.651);
    font-weight: 600;
}

#search-area-content > .alert-box {
    margin-bottom: 1em;
    display: none;
}

#results-area-content {
    margin: 1em auto 1em auto;
    background-color: #b4c8fc;
    border-radius: 5px;
    width: 50%;
}

#results-area-content > h3 {
    margin: 0em;
    padding: 0.5em;
    border-radius: 5px;
    text-align: center;
    background-color: #6f97fc;
}

#results-area-content > h3 > span {
    color: white;
}

.subject {
    background-color: #9ebafa;
    border-radius: 5px;
    margin: 1em;
    display: inline-block;
}

.subject > #img-title-content {
    background-color: #82a7ff;
    border-radius: 5px;
    display: grid;
    grid-template-columns: 0.2fr 0.8fr;
    grid-template-areas: "img title";
}

.subject > #img-title-content > h4 {
    grid-area: title;
    margin: auto auto auto 0em;
}

.subject > #img-title-content > img {
    border-radius: 5px;
    border: 2px solid white;
    box-shadow: 1px 1px 6px 0 #ffffff80;
    grid-area: img;
}

.subject > p {
    padding: 1em;
}

#main-introduction {
    background-color: #d5ebf2;
}

.about_article {
    display: grid;
    grid-template-columns: auto auto auto;
    align-items: center;
    justify-content: center;
}

.about_article h3 {
    grid-area: 1/1/2/2;
    margin: 1em;
}

.about_article img {
    grid-area: 2/1/4/2;
    margin: 2em;
}

.about_article p {
    grid-area: 2/2/4/4;
    margin: auto;
}

.about_us {
    background: rgba(44, 132, 219, 0.3);
}

.about_us h2 {
    color: white;
    font-size: 1.6em;
    background: rgba(44, 132, 219, 0.6);
    margin: 0em;
}

#start_about img{
    margin: 2em;
    float: right;
}

#start_about p{
    margin-top: 3.5em;
    font-weight: bold;
    font-size: large;
}

#end_about p{
    max-width: 80em;
}    

#end_about article img{
    border-radius: 80%;
}

#end_about h3{
    font-weight: bold;
    font-size: large;
}

#first {
    margin-top: 1em;
}


/* dropdown menu*/
.dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dropdown-content {
    margin-top: 0.5em;
    display: none;
    position: relative;
    background-color: var(--menuColor);
    min-width: 160px;
    z-index: 1;
}

.dropdown-content a {
    border-left: 0.5em solid var(--menuColor);
    color: white;
    padding: 0.5em 1em;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    border-left: 0.5em solid var(--menu_underline);
    transition: 0.5s;
}

.dropdown-content a:active {
    color: white;
    background-color: var(--menu_underline);
    transition: 0.15s;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropbtn {
    color: white;
    text-align: center;
    padding-bottom: 18px;
    text-decoration: none;
}

.dropdown-content {
    position: absolute;
    width: 100%;
    text-align: left;
}

nav li:not(nav ul > li:nth-child(4)):hover {
    border-bottom: 0.5em solid var(--menu_underline);
    transition: 0.5s;
}

nav li:nth-child(4):hover {
    border-bottom: 0.5em solid var(--menuColor);
    transition: 0.5s;
}

/* END-OF: index.html */
/* START-OF: register.html */

fieldset {
    border:4px solid rgb(19, 97, 240);
    background-color: #94acfc;
    border-radius: 35px;
    padding: 2.5em;
    width: 50%;
    margin: 1em auto 1em auto;
}

legend {
    font-size: 20px;
    border-radius: 35px;
    background-color: rgb(19, 97, 240);
    font-weight: bold;
    color: white;
    padding: 0.5em;
}

#registration-form > div {
    margin: 1em auto 1em auto;
    width: 80%;
    display: flex;
    flex-direction: column;
}

#registration-form abbr {
    color: red;
}

#registration-form label {
    margin-bottom: 0.5em;
}

#registration-form input {
    display: block;
    width: 100%;
    padding: 0.5em;
    font-family: 'Manrope', sans-serif;
    box-sizing: border-box;
}

#registration-form .alert-box {
    margin-top: 0.5em;
    display: none;
    padding: 0.5em;
}

#reg-form-buttons {
    padding: 2em;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 1.5em;
}

form input[type="submit"], form input[type="reset"] {
    padding: 0.8em;
    margin-top: 0.5em;
    width: 20%;
    border: 2px solid;
    border-radius: 4px;
    background-color: var(--blue);
    font-family: 'Manrope', sans-serif;
    color: white;
    transition-duration: 0.5s;
}

form input[type="submit"]:hover, form input[type="reset"]:hover {
    background-color: #04246c;
}

form input[type="submit"]:active, form input[type="reset"]:active {
    background-color: #8494b8;
    border: 2px solid black;
    color: black;
    transition-duration: 0s;
}

#submission-result-box-window {
    display: none;
    background-color: #dadbde;
    border-radius: 6px;
    position: fixed;
    top: 40%;
    left: 40%;
    margin-top: -50px;
    margin-left: -100px;
}

#submission-result-box {
    background: linear-gradient(to right, rgba(40, 212, 40, 0.856), #dadbde 30%);
    width: 600px;
    margin: auto;
    border-radius: 6px;
    display: grid;
    grid-template-columns: 0.2fr 0.8fr;
    grid-template-areas: "result serverMsg"
                         "result redirection";
}

#submission-result {
    /* background-color: rgba(40, 212, 40, 0.63); */
    
    text-align: center;
    margin: auto;
    border-radius: 6px 0px 0px 6px;
    padding: 0.2em;
    grid-area: result;
    font-size: 3em;
}

#server-message {
    text-align: center;
    font-weight: 700;
    margin: auto;
    padding: 1em;
    grid-area: serverMsg;
}

#redirection {
    grid-area: redirection;
    text-decoration: none;
    padding: 0.8em;
    margin: 1em auto 1em auto;
    border: 2px solid;
    border-radius: 4px;
    background-color: #99b6fd;
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    color: black;
    transition-duration: 0.5s;
}

#redirection:hover {
    background-color: #5987fd;
}

#redirection:active {
    color: white;
    transition: 0s;
}

/* END-OF: register.html */
/* START-OF: courses.html */

#subject-results > h2 {
    color: #6277b6;
}

#subject-results > h2 > span {
    color: rgb(0, 102, 255);
}

.subject > h4 {
    padding-left: 1em;
    color: white;
    margin-bottom: 0em;
}

#image-title-inCourses{
    background-color: #82a7ff;
    border-radius: 5px;
    display: grid;
    grid-template-columns: 0.1fr 0.8fr;
    grid-template-areas: "img title";
}

#image-title-inCourses > h3 {
    grid-area: title;
    margin: auto auto auto 1em;
}

#image-title-inCourses > img {
    border-radius: 5px;
    border: 2px solid white;
    box-shadow: 1px 1px 6px 0 #ffffff80;
    grid-area: img;
}

/* END-OF: courses.html */
/* START-OF: profile.html */

#signin-form-buttons {
    padding: 2em;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 1.5em;
}

#signin-registration-form > div {
    margin: 1em auto 1em auto;
    width: 80%;
    display: flex;
    flex-direction: column;
}

#signin-registration-form abbr {
    color: red;
}

#signin-registration-form label {
    margin-bottom: 0.5em;
}

#signin-registration-form input {
    display: block;
    width: 100%;
    padding: 0.5em;
    font-family: 'Manrope', sans-serif;
    box-sizing: border-box;
}

#signin-registration-form .alert-box {
    margin-top: 0.5em;
    display: none;
    padding: 0.5em;
}

#signin-form-buttons {
    padding: 2em;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 1.5em;
}

#signin-registration-form {
    padding: 0em 1em 1em 1em;
    width: 30%;
}

#user-results{
    margin: 1em auto 1em auto;
    width: 80%;
    padding: 2em;
    display: flex;
    flex-direction: column;
}

#alert-box-results {
    display: none;
}

#alert-box-results > .alert-box {
    width: 25%;
    margin: auto;
}

.user-info {
    margin: 1em auto 1em auto;
    border: 3.5px solid var(--menuColor);
    border-radius: 7px;
    background-color: white;
}

#intro {
    text-align: center;
    font-weight: lighter;
    font-size: medium;
}

.user-info > h3 {
    text-align: center;
    padding: 1em;

}

.user-info > ul {
    padding-left: 10em;
    padding-right: 10em;
    padding-bottom: 1em;
}

.user-info > ul > li {
    margin-bottom: 8px;
}
/* END-OF: profile.html */