.header
{
    width: 90vw;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: .9rem auto;
}

.header__logo
{
    width: 207px;
}

.header__text
{
    font-family: var(--font-symbola);
    font-size: 3rem;
    border: 9px solid var(--gold-color);
    padding: 18px;
    border-top: none;
    border-radius: 50px;
    color: var(--green-color); 
}

.presentation
{
    width: 72vw;
    display: flex;
    flex-direction: column;
    margin: 5rem auto;
}

.presentation__title, .presentation__text, .links__link, .presentation__subtitle
{
    font-family: var(--font-symbola);
}

.presentation__title, .presentation__subtitle
{
    text-align: center;
    margin-bottom: 2rem;
    color: var(--green-color);
    text-decoration: underline;
}

.presentation__subtitle
{
    font-size: 1.5rem;
}

.under
{
    text-decoration: underline;
}

.subtitle
{
    text-align: center;
}

.presentation__block
{
    width: 36vw;
    margin: 1rem auto;
    text-align: center;
}

.block__chaos
{
    width: 30vw;
}

.bold
{
    color: var(--green-color);
    font-size: 2.1rem;
}

.presentation__img
{
    width: 100%;
}

.presentation__img-name
{
    font-family: var(--font-symbola);
    font-size: 1.5rem;
    margin-top: .3rem;
}

.presentation__text
{
    font-size: 1.8rem;
    margin: .5rem 0;
    text-align: justify;
    line-height: 1.8;
}

.presentation__link
{
    color: var(--green-color);
    font-weight: bold;
    font-family: var(--font-symbola);
    margin: 3rem auto;
    font-size: 1.8rem;
    text-decoration: none;
    text-align: center;
}

.presentation__link:visited,
.presentation__link:hover,
.presentation__link:focus,
.presentation__link:active
{
    cursor: pointer;
    color: var(--green-color);
    text-decoration: underline;
}

.links
{
    width: 90%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    margin: 7rem auto;
}

.footer
{
    width: 90%;
    display: flex;
    justify-content: space-around;
    margin: 2rem auto;
}

.footer__text
{
    font-family: var(--font-symbola);
    font-size: 1.3rem;
    color: var(--green-color);
    font-weight: bold;
}

.footer__text a
{
    cursor: pointer;
    color: var(--green-color);
    font-size: 1rem;
}

.footer__text a:hover,
.footer__text a:focus,
.footer__text a:active
{
    color: var(--white-color);
    text-decoration: none;
    background-color: var(--green-color);
    padding: 9px;
    border: 1px solid var(--green-color);
    border-radius: 18px;
    font-size: 1.3rem;
}

@media all and (max-width: 1080px)
{
    .header__logo
    {
	width: 144px;
    }

    .header__text
    {
	font-size: 2.3rem;
    }

    .presentation__text
    {
	font-size: 1.6rem;
    }
}

@media all and (max-width: 810px)
{   
    .header
    {
	width: 98vw;
    }
    
    .header__logo
    {
	width: 108px;
    }

    .header__text
    {
	font-size: 1.6rem;
    }

    .presentation
    {
	width: 90vw;
	margin-top: 1.8rem;
	margin-bottom: 1rem;
    }

    .presentation__text
    {
	font-size: 1.4rem;
    }

    .presentation__title
    {
	font-size: 1.5rem;
    }

    .links
    {
	width: 90vw;
	display: flex;
	flex-direction: column;
	align-items: center;
	margin-top: 3rem;
	margin-bottom: 1rem;
    }

    .bold
    {
	font-size: 1.5rem;
    }

    .presentation__link
    {
	font-size: 1.5rem;
    }

    .footer
    {
	display: flex;
	flex-direction: column;
    }

    .footer__text
    {
	margin: 1rem auto;
	font-size: 1.4rem;
    }
}

@media all and (max-width: 600px)
{
    .header
    {
	display: flex;
	flex-direction: column;
    }
    
    .header__text
    {
	font-size: 1.1rem;
    }

    .presentation
    {
	margin-top: 3rem;
    }
    
    .presentation__block
    {
	width: 90vw;
    }


    .presentation__img-name
    {
	font-size: 1rem;
    }

}