@supports ((-webkit-backdrop-filter: blur(5px)) or (backdrop-filter: blur(5px))) {
    .--frosted-glass {
    background: rgba(255, 255, 255, 0.5);
  }
}
/*keyframes*/
@keyframes zoomInZoom {
    0% {
        box-shadow: 0px 2px 6px 0px #000;
        transform: scale(0, 0);
    }
    50% {
        transform: scale(1.2, 1.2);
        visibility: visible;
    }
}
@keyframes zoomInZoom2 {
    0% {
        transform: scale(0, 0);
        box-shadow: 0px 2px 6px 0px #000;
    }
    50% {
        transform: scale(1, 1);
        visibility: visible;
    }
}
@keyframes gradient {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}
body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
    background-image: linear-gradient(#6EB5B8, #A7FFC3);    
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}
/*scrollbar*/
  /* width */
::-webkit-scrollbar {
    width: 10px;
}
  /* Track */
::-webkit-scrollbar-track {
    background-color: #000;
    transition: 0.5s;
}
  /* Handle */
::-webkit-scrollbar-thumb {
    background: #555;
    transition: 0.5s;
    border-radius: 30px;
}
  /* Handle on hover */
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
	background-size: 100% 100%;
    transition: 0.5s;
}
/*unselectable*/
.unselectable {
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -moz-user-select: none;
    user-select: none;
}
/*navbar*/
header {
    position: absolute;
    position: fixed;
    top: 0;
    left: 0;
    padding: 0 100px;
    background-color: rgba(0, 0, 0, 0.6);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    box-shadow: 0px 3px 20px 0px #3b3b3b;
    width: 100%;
    box-sizing: border-box;
}
header .logo {
    color: #2196f3/*#fff*/;
    height: 50px;
    line-height: 50px;
    font-size: 24px;
    float: left;
    font-weight: bold;
    transition: 0.5s;/*shit*/
    cursor: default;
}
header nav {
    float: right;
}
header nav ul {
    margin: 0;
    padding: 0;
    display: flex;
}
header nav ul li {
    list-style: none;
}
header nav ul li a {
    height: 50px;
    line-height: 50px;
    padding: 0 20px;
    color: #fff;
    text-decoration: none;
    display: block;
    transition: 0.5s;
}
header nav ul li a:hover {
    color: #fff;
    background: #2196f3;
    transition: 0.5s;
}
header nav ul li a.active {
    color: #fff;
    background: #2196f3;
}
.menu-toggle {
    color: #fff;
    float: right;
    line-height: 50px;
    font-size: 24px;
    cursor: pointer;
    display: none;
}
/*under construction*/
.under_construction {
    width: fit-content;
    width: -moz-max-content; /*for mozilla*/
    height: fit-content;
    height: -moz-max-content; /*for mozilla*/
    max-width: 80%;
    background-color:white;
    width: fit-content;
    box-shadow: 0px 10px 30px 0px #3b3b3b;
    margin-top: 100px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 60px;
    color: #000000;
    border-radius: 30px;
    height: fit-content;
    padding: 10px;
    transition: 0.5s;
}
.under_construction {
    animation-duration: 3s;
    visibility: hidden;
    animation: zoomInZoom 1.5s;
    visibility: unset;
}
.under_construction_img {
    width: 40%;
}
/*footer*/
footer.footer {
    bottom: 0;
    height: 80px;
    width: 100%;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
	background-size: 400% 400%;
	animation: gradient 10s ease infinite;
    box-shadow: 10px 10px 30px 10px #3b3b3b;
    margin-top: 150px;
}
p.copyright {
    color: #fff;
    line-height: 40px;
    text-align: center;
}
/*blcok standart*/
.block_standart {
    width: fit-content;
    width: -moz-max-content; /*for mozilla*/
    height: fit-content;
    height: -moz-max-content; /*for mozilla*/
    max-width: 80%;
    /*design*/
    background-color:white;
    box-shadow: 0px 10px 30px 0px #3b3b3b;
    color: #000000;
    border-radius: 30px;
    margin-top: 100px;
    margin-bottom: 60px;
    margin-left: auto;
    margin-right: auto;
    padding-top: 10px;
    padding-bottom: 20px;
    padding-left: 10px;
    padding-right: 10px;
    transition: 0.5s;
    display: flex;
    flex-wrap: wrap;
    position: relative;
}
.block_standart {
    animation-duration: 3s;
    visibility: hidden;
    animation: zoomInZoom2 1.5s;
    visibility: unset;
}
/*Block Glass*/
.block_glass {
    width: fit-content;
    width: -moz-max-content; /*for mozilla*/
    height: fit-content;
    height: -moz-max-content; /*for mozilla*/
    max-width: 80%;
    /*design*/
    background-color:rgba(0, 0, 0, 0.3);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0px 10px 30px 0px #3b3b3b;
    color: #fff;
    border-radius: 30px;
    margin-top: 100px;
    margin-bottom: 60px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    transition: 0.5s;
    display: flex;
    flex-wrap: wrap;
    position: relative;
}
.block_glass {
    animation-duration: 3s;
    visibility: hidden;
    animation: zoomInZoom2 1.5s;
    visibility: unset;
}
/*text-size*/
.very-big {
    font-size: 2.5em;
}
.big {
    font-size: 2em;
}
.medium {
    font-size: 1.5em;
}
.small {
    font-size: 1em;
}
.very-small {
    font-size: 0.5em;
}
/*link*/
.link {
    text-decoration: underline;
    border-radius: 3px;
    padding: 2px;
    transition: 0.3s;
}
.link:hover {
    text-decoration: underline;
    background-color: rgba(0, 0, 0, 0.5);
    cursor: pointer;
    color: white;
    transition: 0.3s;
}
.link:active {
    text-decoration: underline;
    background-color: rgba(0, 0, 0, 0.5);
    cursor: wait;
    color: white;
    transition: 0.3s;
}
@media (max-width: 1080px) {
    /*download*/
    .download {
        width: fit-content;
        width: -moz-max-content; /*for mozilla*/
        height: fit-content;
        height: -moz-max-content; /*for mozilla*/
        /*design*/
        background-color:rgba(255, 255, 255, 0.5);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        color: #fff;
        border-radius: 25px;
        margin-top: 5px;
        margin-bottom: 5px;
        margin-left: auto;
        margin-right: auto;
        padding: 10px;
        transition: 0.5s;
        display: flex;
        flex-wrap: wrap;
        position: relative;
        text-decoration: none;
    }
    .download:hover {
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        cursor: pointer;
    }
    .download:active {
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        cursor: wait;
    }
    body {
        margin: 0;
        padding: 0;
        font-family: Arial, Helvetica, sans-serif;
        box-sizing: border-box;
    }    
    header {
        padding: 0 20px;
        position: fixed;
    }
    .menu-toggle {
        display: block;
    }
    header nav {
        position: absolute;
        width: 100%;
        height: calc(100vh - 50px);
        background-color: rgba(0, 0, 0, 0.8);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        top: 50px;
        left: 0;
        transition: 0.5s;
    }
    header nav.active {
        left: -100%;
    }
    header nav ul {
        display: block;
        text-align: center;
    }
    header nav ul li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    /*under construction*/
    .under_construction {
        width: -moz-max-content;
        height: -moz-max-content;
        width: fit-content;
        margin-top: 100px;
        margin-bottom: 5%;
        margin-left: auto;
        margin-right: auto;
        border-radius: 30px;
        height: fit-content;
        padding: 10px;
        transition: 0.5s;
    }
    .under_construction_img {
        min-width: 40%;
    }  
    /**/
    /*blcok standart*/
    .block_standart {
        width: fit-content;
        width: -moz-max-content; /*for mozilla*/
        height: fit-content;
        height: -moz-max-content; /*for mozilla*/
        max-width: fit-content;
        max-width: 80%;
        /*design*/
        background-color:white;
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        color: #000000;
        border-radius: 30px;
        margin-top: 100px;
        padding: 20px;
        transition: 0.5s;
        display: block;
    }
    .block_standart {
        animation-duration: 3s;
        visibility: hidden;
        animation: zoomInZoom2 1.5s;
        visibility: unset;
    }
    /*Block Glass*/
    .block_glass {
        width: fit-content;
        width: -moz-max-content; /*for mozilla*/
        height: fit-content;
        height: -moz-max-content; /*for mozilla*/
        max-width: fit-content;
        max-width: 80%;
        /*design*/
        background-color:rgba(0, 0, 0, 0.3);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        color: #fff;
        border-radius: 20px;
        margin-top: 100px;
        margin-bottom: 60px;
        padding: 20px;
        transition: 0.5s;
        display: flex;
    }
    .block_glass {
        animation-duration: 3s;
        visibility: hidden;
        animation: zoomInZoom2 1.5s;
        visibility: unset;
    }
}
@-moz-document url-prefix() {
    /*blcok standart*/
    .block_standart {
        width: -moz-max-content; /*for mozilla*/
        height: -moz-max-content; /*for mozilla*/
        max-width: 80%;
        /*design*/
        background-color:white;
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        color: #000000;
        border-radius: 20px;
        margin-top: 100px;
        margin-bottom: 60px;
        margin-left: auto;
        margin-right: auto;
        padding-top: 10px;
        padding-bottom: 20px;
        padding-left: 10px;
        padding-right: 10px;
        transition: 0.5s;
    }
    .block_standart {
        animation-duration: 3s;
        visibility: hidden;
        animation: zoomInZoom 1.5s;
        visibility: unset;
    }
    /*img*/
    .img{
        max-width: 100%;
    }
    /*Block Glass*/
    .block_glass {
        width: -moz-max-content; /*for mozilla*/
        height: -moz-max-content; /*for mozilla*/
        max-width: 80%;
        /*design*/
        background-color:rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(10px);
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        color: #fff;
        border-radius: 20px;
        margin-top: 100px;
        margin-bottom: 60px;
        margin-left: auto;
        margin-right: auto;
        padding: 20px;
        transition: 0.5s;
    }
    .block_glass {
        animation-duration: 3s;
        visibility: hidden;
        animation: zoomInZoom2 1.5s;
        visibility: unset;
    }
    header {
        position: absolute;
        position: fixed;
        top: 0;
        left: 0;
        padding: 0 100px;
        background-color: rgba(0, 0, 0, 1);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        box-shadow: 0px 10px 30px 0px #3b3b3b;
        width: 100%;
        box-sizing: border-box;
    }
}