html {
    /* https://cssgradient.io/ */
    background: #B1CDF2;
    background: linear-gradient(90deg, rgba(177, 205, 242, 1) 0%, rgba(214, 225, 243, 1) 27%, rgba(214, 225, 243, 1) 71%, rgba(177, 205, 242, 1) 99%);
}

body {
    font-family: "bc-novatica-cyr", sans-serif;
    margin: 50px;
}

.skip a {
    position: absolute;
    top: -40px;
    left: -40px;
    background: #ffffff;
    margin: 0;
}
  
.skip a:focus {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #ffffff;
    margin: 0;
}

h1{
    font-family: "bc-novatica-cyr", sans-serif;
    font-size: 28px;
    font-weight: 700;
    font-style: normal;
    text-align: center;
}

h2{
    font-family: "bc-novatica-cyr", sans-serif;
    font-size: 24px;
    font-weight: 600;
    font-style: normal;
}

h3{
    font-family: "bc-novatica-cyr", sans-serif;
    font-size: 20px;
    font-weight: 500;
    font-style: normal;
}

h4{
    font-family: "bc-novatica-cyr", sans-serif;
    font-size: 18px;
    font-weight: 500;
    font-style: normal;
}

p{
    font-family: "bc-novatica-cyr", sans-serif;
    font-size: 16px;
    font-weight: 400;
    font-style: normal;
    letter-spacing: 0.7px;
}

li{
    padding: 2px;
    letter-spacing: 0.7px;
}

header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    max-width: 100%;
}

nav ul {
    display: flex; 
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    margin-left: 15px;
    font-weight: 600;
    font-size: 18px;
    padding: 10px;
    color: #4268a1;
}

header img{
    width: 350px;
    align-self: first baseline;
}

header ul {
    list-style: none;
}

main{
    margin: 10px;
}

#studyabroadintro{
    padding: 20px 50px 50px 50px;
}

#studyabroadintro h1, #studyabroadintro p:last-of-type{
    text-align: center;
    padding: 0 100px;
}

footer{
    font-family: "bc-novatica-cyr", sans-serif;
    background-color: #376bb3;
    padding: 20px 40px;
    color: #ffffff;
    text-align: center;
}

ul{
    font-family: "bc-novatica-cyr", sans-serif;
}

nav ul li a {
    text-decoration: none;
    padding: 10px;
    display: inline-block;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    border: solid 5px #4268a1;
    border-radius: 10px;
    padding: 10px;
    text-align: center;
}

nav ul li a.active {
    background-color: #4268a1; 
    border-radius: 10px;
    padding: 10px;
    color: #ffffff;
}

#citiesvisited {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    gap: 20px;
    justify-items: center;
    padding: 20px;
}

.flip-card {
    background-color: transparent;
    width: 300px;
    height: 400px;
}

/* https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_flip_card */

body {
    font-family: Arial, Helvetica, sans-serif;
}
  
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}
  
.flip-card:hover .flip-card-inner {
    transform: rotateY(-180deg);
}
  
.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
  
.flip-card-front {
    background-color: transparent;
    color: black;
}
  
.flip-card-back {
    color: white;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.flip-card-back h2 {
    position: absolute; 
    top: 40%; 
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
}

.flip-card-back h3 {
    position: absolute; 
    top: 50%; 
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
}

.flip-card-back p {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);

}

#london, #dubai, #nice {
    grid-column: 1 / 1;
}

#amsterdam, #kenya, #oxford {
    grid-row: 2 / 3;
}

#brussels, #antibes, #brighton {
    grid-row: 3 / 4;
}

#edinburgh {
    grid-column: 1 / 1;
    grid-row: 4 / 5;
}

#london, #amsterdam, #brussels {
    grid-row: 1 / 2;
}

#dubai, #kenya, #antibes {
    grid-row: 2 / 3;
}

#nice, #oxford, #brighton {
    grid-row: 3 / 4;
}

#travelbeen img, #ustravelbeen img{
    width: 100%;
}

#travelbeen h1{
    margin-bottom: 5px;
}

/*https://www.w3schools.com/howto/howto_css_image_gallery_scroll.asp*/
div.scroll-container {
    background-color: #476fab;
    overflow: auto;
    white-space: nowrap;
    padding: 10px;
}

div.scroll-container img {
    padding: 10px;
    max-height: 350px;
}

div.scroll-container::-webkit-scrollbar-thumb {
    background-color: #ffffff;
    border-radius: 6px;
}

div.scroll-container::-webkit-scrollbar-thumb:hover {
    background-color: #f1f1f1; 
}

div.scroll-container::-webkit-scrollbar-track {
    background: #1d3c6c;
}

div.scroll-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}


/* Dropdown Button  from https://www.w3schools.com/howto/howto_css_dropdown.asp */
.dropbtn {
    padding: 10px;
    font-size: 18px;
    border: none;
    margin-left: 15px;
    font-weight: 600;
    color: #4268a1;
    background-color: transparent;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.dropbtn:hover {
    border: solid 5px #4268a1;
    border-radius: 10px;
    padding: 10px;
    text-align: center;
}

.dropdown {
    position: relative;
    display: inline-block;
}
  
.dropdown-content {
    display: none;
    position: absolute;
    background-color: transparent;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    left: 0;
    top: 100%;
}
  
.dropdown-content a {
    color: #4268a1;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}
  
.dropdown-content a:hover {
    background-color: #d7e3f5;
    border-radius: 0;
    color: #000000;
}

.dropdown:hover .dropdown-content {
    display: block;
    background-color: #f1f1f1;
    border-radius: none;
}
  
.dropdown:hover .dropbtn {
    border: solid 5px #4268a1;
    padding: 10px;
    text-align: center;
}

.dropdown-content a.active {
    background-color: #4268a1; 
    padding: 10px;
    color: #ffffff;
    border-radius: 0;
}


/* about me page: */

#travelbeen{
    display: grid;
    grid-template-columns: 1fr;
}

#travelbeen img{
    grid-column: 1/-1;
    border: 5px #4268a1 solid;
}

#travelbeen h2{
    font-size: 28px;
}

#travelbeen p{
    text-align: center;
}

#northamericabeen, #unitedstates, #asiabeen, #africabeen, #europebeen{
    grid-column: 1/-1;
    display: grid;
    grid-template-columns: 2fr 2fr 2fr 2fr;
    gap: 10px;
    padding-bottom: 20px;
    border-bottom: 2px #4268a1 solid;
    margin: 0;
}

#unitedstates{
    justify-items: center;
}

#northamericabeen h4, #northamericabeen ul{
    margin: 10px;
}

#northamericabeen h2:first-of-type, #africabeen h2, #europebeen h2, #asiabeen h2{
    grid-column: 1/-1;
    text-align: center;
    margin: 30px 0 0 10px;
}

#northamericabeen h3:first-of-type{
    grid-column: 1/-1;
    font-weight: 600;
    font-style: italic;
}

#travelbeen h3{
    font-style: italic;
    font-weight: 600;
    color: #1e3f71;
}

#arizona{
    grid-column: 1/1;
}

#arizona, #california, #connecticut, #dc{    
    grid-row: 3/3;
}

#delaware, #florida, #hawaii, #illinois {
    grid-row: 4/4;
}

#indiana, #kentucky, #maryland, #massachusetts{
    grid-row: 5/5;
}
#michigan, #nevada, #newyork, #ohio{
    grid-row: 6/6;
}
#pennsylvania, #tennessee, #texas, #virginia{
    grid-row: 7/7;
}

#utah{
    grid-row: 8/8;
}

#travelwant {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

#travelwant h2{
    color: #1e3f71;
    font-size: 24px;
    font-weight: 600;
    font-style: italic;
}

#travelwant h1{
    grid-column: 1/-1;
    text-align: center;
}

#travelwant h3{
    margin: 5px;
}

#northamericawant, #southamericawant, #africawant, #europewant, #asiawant, #australiawant{
    border-bottom: 2px #4268a1 solid;
    padding-bottom: 25px;
}
  
#asiawant, #australiawant{
    margin-bottom: 25px;
}

#citytitle{
    text-align: center;
    margin-top: 30px;
}

#amsterdamitems, #brightonitems, #bruggeitems, #brusselsitems, #dubaiitems, #edinburghitems, #londonfeb, #londonmar, #londonapr, #londonm, #londonjun, #londonjul, #niceitems, #oxforditems, #nairobi {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-bottom: 20px;
    justify-items: center;
}

#antibesactivities, #oxfordactivities, #masaimara, #dianibeach{
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-bottom: 20px;
    grid-column: 1/-1;
}

#dianibeach h3, #masaimara h3, #dianibeachactivities, #masaimara p{
    grid-column: 1/-1;
    margin: 10px 200px 0 0;
}

#antibesactivities h2, #oxfordactivities h2, #antibesactivities ul, #oxfordactivities ul{
    grid-column: 1;
    margin: 5px;
}

#antibesactivities, #oxfordactivities, #amsterdamitems, #brightonitems,  #brusselsitems, #dubaiitems, #edinburghitems, #londonjul, #niceitems, #oxforditems, #dianibeach{
    border-bottom: #4268a1 2px solid;
}

#favorites{
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-items: center;
}

#favorites p{
    text-align: center;
}

#favorites h2{
    font-style: italic;
    color: #1e3f71;
}

#favorites h2:nth-child(1), #favorites h2:nth-child(5), #favorites p:nth-child(2), #favorites p:nth-child(6){
    grid-column: 1/2;
}

#favorites h2:nth-child(3), #favorites h2:nth-child(7), #favorites p:nth-child(4), #favorites p:nth-child(8){
    grid-column: 2/3;
}

#favorites h2:nth-child(1), #favorites h2:nth-child(3){
    grid-row: 1;
}

#favorites h2:nth-child(5), #favorites h2:nth-child(7){
    grid-row: 3;
}

/* styling for js form, https://www.w3schools.com/css/css_form.asp */
#travelform h2{
    text-align: center;
}

#travelform {
    padding: 20px;
    background-color: #f5f5f5;
    max-width: 700px;
    margin: 50px auto;
    border-radius: 12px;
    font-family: Arial, sans-serif;
    box-shadow: 0 4px 12px #bdbcbc;
}
  
#travelform h2 {
    text-align: center;
    margin-bottom: 5px;
    color: #333333;
}
  
#form label {
    font-weight: bold;
    margin-bottom: 0.25rem;
    color: #444444;
    width: 100%;
    padding: 8px;
}
  
#form input, #form textarea {
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #cccccc;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
    font-family: Arial, sans-serif;
}
  
#form input:focus, #form textarea:focus {
    border-color: #007bff;
    outline: none;
}
  
#form button {
    padding: 10px 12px;
    background-color: #055dbc;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
  
#form button:hover {
    background-color: #0056b3;
}