body, html {
    width: 100%;
    margin: 0;
    height: 100%;
    font-family: sans-serif;
    background-color: #222222;
    color:rgba(255, 255, 255, 0.5);
}
.row {
    padding-top: 5rem;
}
.lower-text {
    font-size: 0.7rem;
}
.content {
    width: 100%;
    overflow-x: hidden;
}
h1, h2, h4 {
    margin-inline: 2rem;
}
h3 {
    font-weight: 800;
}
.my-h1 {
    text-align: center;
    font-size: 3rem;
}
.topic-name {
    color: #008080;
    font-size: 3rem;
    text-align: center;
    margin-block: 2rem 4rem;
}
.two-two {
    display: grid;
    grid-template-columns: 20rem calc(100% - 20rem);
}
.two-two > div > .article-ul {
    font-size: 1.3rem;
}
.dif {
    color: #008080;
    font-weight: 700;
}
.reference-div {
    width: 100%;
    text-align: center;
}
.my-link {
    color: #008080;
}
ol {
    padding: 0rem 4rem;
}
ol > li {
    padding: 1rem;
}
.medzera {
    width: 100%;
    height: 2rem;
}
::selection {
    background-color: #515151;
    color: #ffffff;
}
/*status bar*/
.status-bar {
    display: grid;
    grid-template-columns: 15rem calc(100% - 30rem) 15rem;
}

.controlls {
    width: 8rem;
    height: 3.5rem;
    box-sizing: border-box;
    margin: 2rem;
    padding: 0.2rem;
    display: grid;
    gap: 0.5rem;
    grid-template-columns: repeat(2, 50%);
}
.controll {
    width: 3rem;
    height: 3rem;
    padding: 0.1rem 0 1.2rem 0;
    display: grid;
    place-items: center;
    text-align: center;
    font-family: cursive;
    font-weight: 700;
    font-size: 1.7rem;
    color: #008080;
    border-radius: 50%;
    box-sizing: border-box;
    border: 2px solid #515151;
}
.controll > p{
    margin: 0;
}
.controll:hover {
    background-color: #515151;
    cursor: pointer;
}

.try-it-out {
    margin: 2rem;
    display: grid;
    place-content: center flex-end;
}
.try-button {
    width: 10rem;
    height: 2.5rem;
    background-color: transparent;
    outline: none;
    box-sizing: border-box;
    border: 2px solid #008080;
    color:rgba(255, 255, 255, 0.5);
    transition: 0.3s;
    font-size: 1.1rem;
    font-weight: 700;
}
.try-button:hover {
    background-color: #515151;
    cursor: pointer;
    color: #008080;
}
.try-button:active {
    background-color: #008080;
    color: #323232;
}



/*layout*/


.navbar, .content {
    box-sizing: border-box;
}



/*navbar*/
.navbar, .content {
    overflow-y: scroll;
}
.navbar {
    height: 100%;
    width: 18rem;
    padding: 0 1rem 0 0; 
    position: fixed;
    z-index: 2;
    background: #323232;
    transform: translateX(-100%);
    opacity: 1;
    overflow-x: hidden;
}
.navbar > ul {
    list-style-type: none;
    padding: 0;
    margin-top: -1.7rem; 
    width: 100%;
}

.navbar > ul > li {
    padding: 0.7rem 0.7rem;
    margin: 0.2rem 1rem 0.2rem 1rem;
    border-radius: 10px;
    transition: 0.3s;
    width: 10rem;
    height: 1.7rem;
    display: inline-block;
}
.navbar > ul > li:hover {
    background-color: #323232;
    color: #f9f9f9;
} 
.navbar > ul > li > a {
    display: block;
    text-decoration: none;
    color:rgba(255, 255, 255, 0.5);
}
.navbar > ul > li > a:hover {
    cursor: pointer;
}

@keyframes  show{
    0% {
        transform: translateX(-100%);
    }
    20% {
       transform: translateX(-80%);
    }
    40% {
        transform: translateX(-60%);
    }
    60% {
        transform: translateX(-40%);
    }
    80% {
        transform: translateX(-20%);
    }
    100% {
        transform: translateX(0);
    }
}


@keyframes  hide{
    0% {
        transform: translateX(0);
    }
    20% {
       transform: translateX(-20%);
    }
    40% {
        transform: translateX(-40%);
    }
    60% {
        transform: translateX(-60%);
    }
    80% {
        transform: translateX(-80%);
    }
    100% {
        transform: translateX(-100%);
    }
}


/*scrollbar*/

::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: #515151;
}
::-webkit-scrollbar {
    width: 12px;
    padding: 0.5rem;
}



/*content*/
.content {
    padding: 2rem 3rem;
    color: rgba(255, 255, 255, 0.5);
}




/*outlook*/
.outlook-row {
    display: grid;
    grid-template-columns: repeat(2, 50%);
    place-content: center;
}
.outlook {
    padding: 2rem 1rem;
    margin: 2rem;
    width: 90%;
    height: auto;
    font-size: 1rem;
    font-family: sans-serif;
    text-align: left;
    background-color: #323232;
    line-height: 2rem;
    color: 	#ffffff;
    box-sizing: border-box;
    border-left: 1.2rem solid #008080;
    word-spacing: 0.3rem; 
    letter-spacing: 0.3px;
}
.outlook-only-one {
    width: 45%;
}

.outlook-p {
    margin: -1rem auto 2rem auto;
    color: #008080;
}

/*article*/
.article {
    margin: 3rem 0rem;
}
.article-ul {
    padding-left: 5rem; 
}
.article-ul > li {
    margin-block: 0.3rem;
}
.article-ul > li > span {
    color: #008080;
}

/*small-row*/
.small-row {
    display: grid;
    grid-template-columns: repeat(2, 50%);
}
.small-column {
    box-sizing: border-box;
    text-align: center;
}
.small-column > ul {
    padding: 0;
    list-style-type: none;
    color: #008080;
}




/*structure html*/

.ws-grey {
    width:90%;
    border:1px solid grey;
    padding:5px;
    margin: 0.3rem;
}
.w3-white {
    width:90%;
    border:1px solid grey;
    padding:5px;
    margin:20px;
}
.w3-other {
    width:85%;
    border:1px solid grey;
    padding:5px;
    margin:20px;
}
.ws-one {
    width:90%;
    border:1px solid grey;
    padding:5px;
    margin: 0.3rem;
}
.structure {
    margin-inline: 2rem; 
}


/*footer*/


.footer {
    display: grid;
    grid-template-columns: 5rem calc(100% - 15rem) 5rem;
    height: 5rem;
    place-content: center;
}
.previous-button, .next-button{
    width: 5rem;
    height: 2.5rem;
    background-color: transparent;
    outline: none;
    box-sizing: border-box;
    border: 2px solid #008080;
    color:rgba(255, 255, 255, 0.5);
    transition: 0.3s;
    font-size: 1.1rem;
    font-weight: 700;
}
.previous-button:hover, .next-button:hover {
    background-color: #515151;
    cursor: pointer;
    color: #008080;
}

.previous-button:active, .next-button:active {
    background-color: #008080;
    color: #323232;
}


/*article table*/
.article > table {
    width: 90%;
    box-sizing: border-box;
    margin: 0rem 2rem;
    border-collapse: collapse;
}
.article > table > tbody > tr > th {
    background-color: #323232;
}
.article > table > thead > tr > th, .article > table > tbody > tr > td, .article > table > tbody > tr > th {
    border: 2px solid white; 
    padding: 1rem;
    text-align: center;
}



/*colors*/

.colors {
    display: flex;
    flex-wrap: wrap;
}
.colors-element {
    width: 19%;
    box-sizing: border-box;
    margin: 2rem;
    height: 10rem; 
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: white;
}
.sample-row {
    padding: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    place-content: center;
}
.color-sample {
    width: 30%;
    display: grid;
    grid-template-columns: 12rem calc(100% - 12rem);
    align-items: center;
    box-sizing: border-box;
    border: 2px solid #008080;
    padding: 1rem
}
.color {
    width: 5rem;
    height: 5rem;
    border: 1px solid white;
}
@media screen and (max-width: 1177px) {
    .color-sample, .colors-element {
        width: 100%;
    }
    .color-sample {
        grid-template-columns: repeat(2, 50%);
        gap: 1rem;
    }
}

/*tip*/
.tip-div {
    height: auto;margin: 2rem;
    width: 77.3%;
    background-color: #008080;
    padding: 1rem;
    color: white;
    text-shadow: 0px 0px 10px black;
}


.img-div {
    width:20rem;
    padding: 0 2rem;
}
@media screen and (max-width:705px) {
    .img-div {
        width: 90%;
        padding: 0;
    }

}
@media screen and (max-width:990px) {
    
    .two-two {
        grid-template-columns: none;
        grid-template-rows: 25rem 25rem;
    }
    .outlook-row {
        grid-template-columns: none;
        grid-template-rows: repeat(2, auto);
        margin: 1rem 0rem;
    }
    .content {
        padding: 2rem 1rem;
    }
    .outlook-only-one {
        width: 90%;
    }
}

@media screen and (max-width: 540px) {
    .status-bar {
        grid-template-columns: none;
    }
    .try-it-out {
        place-content: center;
    }
    .controlls {
        display: none;
    }
    .try-button {
        width: auto;
        min-width: 10rem;
        height: 2.5rem;
        font-size: 0.9rem;
    }
    .my-h1 {
        font-size: 2rem;
    }
    .outlook-p {
        margin: -1rem auto 2rem auto;
        color: #008080;
    }
    h2, h3 {
        margin-inline: 1rem;
    }
    h2 {
        font-size: 1.3rem;
    }
    h3 {
        font-size: 1rem;
    }
    .article-ul {
        padding-left: 2rem;
        width: 80%;
    }
    .structure {
        margin-inline: 0rem; 
    }
    .w3-other {
        padding:5px;
        margin:20px 15px;
    }
    .w3-white {
        padding:5px;
        margin:20px 14px;
    }
    
}

/*burger*/
.status-bar-row {
    position: fixed;
    height: 4rem;
    width: 100%;
    background-color: #008080;
}
.upper-status-bar {
    position: fixed;
    left: 0.7rem;
    top: 0.7rem;
    border-radius: 5px;
}
.burger {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    border-radius: 5px;
}
.bar {
    height: 4px;
    width: 80%;
    background-color: rgba(255, 255, 255, 0.5);
    display: block;
    margin: 0.4rem auto;
    border-radius: 5px;
}

.burger2 {
    width: 2.5rem;
    height: 2.5rem;
    position: sticky;
    top: 1rem;
    left: 13.5rem;
    border: 2px solid #008080;
    cursor: pointer;
    border-radius: 5px;
}
.bar2 {
    height: 4px;
    width: 95%;
    background-color: #008080;
    display: block;
    position: absolute;
    border-radius: 5px;
}
.bar2:nth-child(1) {
    transform: rotate(45deg) translateY(0.8rem) translateX(0.9rem);
}
.bar2:nth-child(2) {
    transform: rotate(-45deg) translateY(0.85rem) translateX(-0.8rem);
}