body {
/*     margin: 0px; */
    font-family: "DejaVuSans";
}

.header {
    display: block ruby;
    text-decoration: none;
    text-align: center;
    font-family: "DejaVuSans";
    font-size: 64px;
    color: white;
}

.header-content {
    display: flex;
    background: #6a8093;
}

.header-d {
    margin: 0px -50px;
    padding: 15px 25px 15px 25px;
    border-radius: 100%;
    background: #399cf2;
}

.header-p {
    margin: 0px 0px 0px 50px;
    padding: 15px 25px 15px 25px;
    background: #6a8093;
}

.header-r {
    margin: 0px 50px 0px 0px;
    padding: 15px 25px 15px 25px;
    background: #6a8093;
}

.header-o {
    margin: 0px -50px;
    padding: 15px 25px 15px 25px;
    border-radius: 100%;
    background: #6a8093;
}

.navigation {
    display: flow-root;
    margin: 10px 0px;
}

.navigation-home {
    float: left;
}

.navigation-lang {
    float: right;
    display: flex;
}

.navigation-lang-en {
    color: white;
    padding: 10px;
    border: 1px solid #399cf2;
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

.navigation-lang-ru {
    padding: 10px;
    border: 1px solid #399cf2;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

.navigation-lang-active {
    background: #399cf2;
}

.navigation-link {
    background: #399cf2;
    padding: 10px;
    color: white;
    border-radius: 10px;
    display: inline-flex;
    float: inline-end;
}

.content {

/*     display: flex; */
    /*font-family: "DejaVuSans";*/
}

.content-title {
    display: inline-block;
    background: #399cf2;
    color: white;
    padding: 10px;
    margin-top: 20px;
    font-family: arial;
    font-size: 24px;
    border-top-width: 5px;
    border-left-width: 5px;
    border-right-width: 5px;
    border-top-color: #399cf2;
    border-left-color: #399cf2;
    border-right-color: #399cf2;
    border-top-style: solid;
    border-left-style: solid;
    border-right-style: solid;
    border-top-left-radius: 25px;
    border-top-right-radius: 25px;
}

.content-title-capital-letter-A {
    display: inherit;
    background: white;
    border-radius: 100%;
    padding: 2px 8px 2px 8px;
    color: #399cf2;
}

.content-title-capital-letter-I {
    display: inherit;
    background: white;
    border-radius: 100%;
    padding: 2px 12px 2px 12px;
    color: #399cf2;
}

.content-title-capital-letter-K {
    display: inherit;
    background: white;
    border-radius: 100%;
    padding: 2px 10px 2px 10px;
    color: #399cf2;
}


.content-block {
    display: table;
    background: aliceblue;
    border-width: 2px;
    border-color: #399cf2;
    border-style: solid;
    border-top-right-radius: 25px;
    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 25px;
}

.content-single-block {
    display: flex;
    background: aliceblue;
    border-width: 2px;
    border-color: #399cf2;
    border-style: solid;
    border-top-right-radius: 25px;
    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 25px;
}

.content-block-1 {
    width: 100%;
    padding: 10px;
}

.block-icon {
    padding: 20px;
}

.block-image {
/*     display: flex; */
    padding: 20px;
    width: 31%;
}

.block-video {
    padding: 20px;
}

.img-icon {
    display: block;
    float: left;
    width: 96px;
}

.img-screenshot {
   /* display: block;
    float: left;*/
    width: 100%;
}

.block-header {
    display: block;
    float: left;
    font-size: 18px;
    margin: 0px 20px;
}

.block-text {
    display: block;
    float: left;
    padding: 20px;
}

.footer {
    text-align: center;
    margin: 20px;
    font-size: 12px;
}

@font-face {
    font-family: "airstrike";
    src: url("../fonts/airstrike/airstrike.ttf") format("truetype");
    font-type: normal;
    font-weight: normal;
}

@font-face {
    font-family: "DejaVuSans";
    src: url("../fonts/djsans/DejaVuSans.ttf") format("truetype");
    font-type: normal;
    font-weight: normal;
}

@media screen and (min-width: 576px) {
    .content-block {
        display: table;
    }
    .content-block-1 {
        width: 100%;
        padding: 10px;
    }
    .content-title {
        padding: 10px;
        font-size: 24px;
    }
    .content-title-capital-letter-A {
        padding: 2px 8px 2px 8px;
    }

    .content-title-capital-letter-I {
        padding: 2px 12px 2px 12px;
    }

    .content-title-capital-letter-K {
        padding: 2px 10px 2px 10px;
    }
}
    .img-icon {
        width: 96px;
    }
    .block-header {
        font-size: 18px;
    }
    .block-text {
/*         padding: 20px; */
/*         width: 100%; */
    }
}

@media screen and (min-width: 768px) {
    .content-block {
        display: table;
    }
    .content-block-1 {
        width: 100%;
        padding: 10px;
    }
    .content-title {
        padding: 15px;
        font-size: 34px
    }
    .content-title-capital-letter-A {
        padding: 2px 11px 2px 11px;
    }

    .content-title-capital-letter-I {
        padding: 2px 18px 2px 18px;
    }

    .content-title-capital-letter-K {
        padding: 2px 16px 2px 16px;
    }
    .img-icon {
        width: 128px;
    }
    .block-header {
        font-size: 28px;
    }
    .block-text {
/*         padding: 20px; */
/*         width: 100%; */
    }
}

@media screen and (min-width: 992px) {
    .content-block {
        display: flex;
    }
    .content-block-1 {
        width: 50%;
        padding: 10px;
    }
    .content-title {
        padding: 20px;
        font-size: 44px;
    }
    .content-title-capital-letter-A {
        padding: 5px 15px 5px 15px;
    }

    .content-title-capital-letter-I {
        padding: 5px 24px 5px 24px;
    }
    .content-title-capital-letter-K {
        padding: 5px 20px 5px 20px;
    }
    .img-icon {
        width: 196px;
    }
    .block-header {
        font-size: 38px;
    }
    .block-text {
/*         padding: 20px; */
/*         width: 50%; */
    }
}

@media screen and (min-width: 1200px) {
    .content-block {
        display: flex;
    }
    .content-block-1 {
        width: 100%;
        padding: 10px;
    }
    .content-title {
        padding: 20px;
        font-size: 44px;
    }
    .content-title-capital-letter-A {
        padding: 5px 15px 5px 15px;
    }

    .content-title-capital-letter-I {
        padding: 5px 24px 5px 24px;
    }
    .content-title-capital-letter-K {
        padding: 5px 20px 5px 20px;
    }
    .img-icon {
        width: 256px;
    }
    .block-header {
        font-size: 38px;
    }
    .block-text {
/*         padding: 20px; */
/*         width: 50%; */
    }
}