:root {
    --white-color: #fff;
    --main-color: #08f7fe;
    --accent-color: #ff008d;
    --bg-color: #000018;
}

body {
    font-family: 'Quicksand', sans-serif;
    margin: 0;
    background-image: url(".././img/bg.jpg");
    background-size: cover;
}

img {
    max-width: 100%;
}

p {
    margin: 0;
    padding: 0;
}

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    color: var(--white-color);
    text-decoration: none;
}


.navigation {
    margin: 10px;
    color: var(--white-color);
    float: right;
    display: flex;
    align-items: center;
}

.social {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: flex-start;
}

.nav-item {
    list-style: none;
    border: solid 1px transparent;
}

.nav-item:not(:last-child) {
    margin-right: 6px;
}

.popup-item {
    padding: 6px;
    opacity: 0.7;
}

.popup-item:hover, .more-label:hover {
    opacity: 1;
}

.nav-item:focus, .input:focus + label {
    outline: none;
    background-color: var(--accent-color);
    color: var(--white-color);
    box-shadow: 0 0 14px var(--accent-color);
    border-radius: 6px;
}

.social__item:focus {
    outline: none;
    background-color: var(--accent-color);
    color: var(--white-color);
    box-shadow: 0 0 14px var(--accent-color);
    border-radius: 6px
}

.popup-item:focus {
    outline: none;
    opacity: 1;
    border: solid 1px var(--accent-color);
    box-shadow: 0 0 14px var(--accent-color);
    border-radius: 6px
}

.bell, .user {
    width: 20px;
    height: 20px;
}

.item__link:focus, .input:focus + label {
    outline: none;
    background-color: var(--accent-color);
    color: var(--white-color);
    box-shadow: 0 0 14px var(--accent-color);
    border-radius: 6px;
}

.social__item:not(.menu) {
    display: block;
    border: solid 1px transparent;
    padding: 8px;
}

.nav-item:hover {
    cursor: pointer;
    border: solid 1px var(--main-color);
    border-radius: 6px;
    box-shadow: 0 0 10px var(--main-color);
}

.input {
    position: absolute;
    z-index: -1;
    opacity: 0;
}

.popup-label {
    padding: 8px;
    position: relative;
    display: block;
    width: 20px;
    height: 20px;
    cursor: pointer;
    background: url(".././img/popup-button.png") no-repeat center;
}

.menu {
    position: relative;
}

.popup-menu {
    justify-content: center;
    display: none;
    flex-wrap: wrap;
    position: absolute;
    right: -280%;
    margin-top: 20px;
    align-self: flex-end;
    width: 250px;
    height: 250px;
    padding: 10px;
    border-radius: 6px;
    box-shadow: 0 0 10px var(--main-color);
    border: solid 1px var(--main-color);
    background-color: var(--bg-color);
    overflow-y: scroll;
    z-index: 1;
}

.popup-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 4px;
    height: 80px;
    width: 24%;
    border: solid 1px transparent;
}

.popup-item > img {
    width: 50px;
}

.popup-item > p {
    font-size: 14px;
    margin-top: 10px;
}

.hidden {
    display: none;
}

.more-label {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    opacity: 0.7;
    border: solid 1px var(--white-color);
    border-radius: 6px;
    width: 50px;
    height: 26px;
    cursor: pointer;
}

.popup-input[type="checkbox"]:checked ~ .popup-menu {
    display: flex;
}

.more-input[type="checkbox"]:checked ~ .hidden {
    display: flex;
}

.more-input[type="checkbox"]:checked ~ .more-label {
    display: none;
}

.popup-menu::-webkit-scrollbar {
    width: 3px;
}

.popup-menu::-webkit-scrollbar-thumb {
    background-color: var(--accent-color);
}

@media screen and (max-width: 991px){
    body {
        background-image: url(".././img/bg-tb.jpg");;
    }
}

@media screen and (max-width: 575px){
    body {
        background-image: url(".././img/bg-mobile.jpg");;
    }
}