How to use the Copy and Paste function

.site-header{background:#0d423e;background-color:#0d423e;background-repeat:no-repeat;background-position:left top;background-attachment:fixed;-webkit-background-size:cover;-moz-background-size:cover;-ms-background-size:cover;-o-background-size:cover;background-size:cover;}.site-header .site-header__title, .nav-header ul li a{color:#f4f5f5;}.nav-header .nav-header__mtoggle span, .nav-header .nav-header__mtoggle span::before, .nav-header .nav-header__mtoggle span::after{background:#f4f5f5;}a{color:#8224e3;}input[type="reset"], input[type="submit"], input[type="button"], .hkb-article__content ol li:before, .hkb-article__content ul li:before, .hkb_widget_exit__btn{background:#8224e3;}.hkb-breadcrumbs__icon{fill:#8224e3;}.hkb-article__title a:hover, .hkb-article__link:hover h2, .ht-post__title a:hover, .hkb-category .hkb-category__articlelist a{color:#8224e3;}.hkb-article-attachment__icon{fill:#8224e3;}a:hover, .hkb-category .hkb-category__articlelist a:hover{color:#0d423e;}button:hover, input[type="reset"]:hover, input[type="submit"]:hover, input[type="button"]:hover, .ht-transferbox__btn:hover{background:#0d423e;}.ht-container{max-width:1000px;}.ht-sitecontainer--boxed{max-width:1000px;}h1, h2, h3, h4, h5, h6{font-family:Roboto;font-weight:700;letter-spacing:0px;text-transform:none;color:#333333;}body, input, optgroup, select, textarea, p{font-family:Open Sans;font-size:16px;font-weight:400;letter-spacing:0px;line-height:1.55;color:#595959;}.hkb-category .hkb-category__iconwrap, .ht-categoryheader .hkb-category__iconwrap{flex-basis:45px;min-width:45px;}.hkb-category .hkb-category__iconwrap img, .ht-categoryheader .hkb-category__iconwrap img{max-width:45px;}.hkb-category .hkb-category__iconwrap img, .ht-categoryheader .hkb-category__iconwrap img, .hkb-category .hkb-category__iconwrap, .ht-categoryheader .hkb-category__iconwrap, .ht-categoryheader .hkb-category__iconwrap svg{max-height:45px;}.nav-header > ul > li.menu-item-has-children > a::after {background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34.1 19' fill='%23f4f5f5'%3E%3Cpath d='M17 19c-0.5 0-1-0.2-1.4-0.6L0.6 3.4c-0.8-0.8-0.8-2 0-2.8 0.8-0.8 2-0.8 2.8 0L17 14.2 30.7 0.6c0.8-0.8 2-0.8 2.8 0 0.8 0.8 0.8 2 0 2.8L18.4 18.4C18 18.8 17.5 19 17 19z'/%3E%3C/svg%3E");}.ht-container, .ht-sitecontainer--boxed { max-width: 1000px }.hkb_widget_toc ol li.active > a { background: rgba( 130 ,36, 227, 0.8); }/* cyrillic-ext */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmZiArmlw.woff2) format('woff2'); unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F; } /* cyrillic */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmQiArmlw.woff2) format('woff2'); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; } /* greek-ext */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmYiArmlw.woff2) format('woff2'); unicode-range: U+1F00-1FFF; } /* greek */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmXiArmlw.woff2) format('woff2'); unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF; } /* math */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalnoiArmlw.woff2) format('woff2'); unicode-range: U+0302-0303, U+0305, U+0307-0308, U+0310, U+0312, U+0315, U+031A, U+0326-0327, U+032C, U+032F-0330, U+0332-0333, U+0338, U+033A, U+0346, U+034D, U+0391-03A1, U+03A3-03A9, U+03B1-03C9, U+03D1, U+03D5-03D6, U+03F0-03F1, U+03F4-03F5, U+2016-2017, U+2034-2038, U+203C, U+2040, U+2043, U+2047, U+2050, U+2057, U+205F, U+2070-2071, U+2074-208E, U+2090-209C, U+20D0-20DC, U+20E1, U+20E5-20EF, U+2100-2112, U+2114-2115, U+2117-2121, U+2123-214F, U+2190, U+2192, U+2194-21AE, U+21B0-21E5, U+21F1-21F2, U+21F4-2211, U+2213-2214, U+2216-22FF, U+2308-230B, U+2310, U+2319, U+231C-2321, U+2336-237A, U+237C, U+2395, U+239B-23B7, U+23D0, U+23DC-23E1, U+2474-2475, U+25AF, U+25B3, U+25B7, U+25BD, U+25C1, U+25CA, U+25CC, U+25FB, U+266D-266F, U+27C0-27FF, U+2900-2AFF, U+2B0E-2B11, U+2B30-2B4C, U+2BFE, U+3030, U+FF5B, U+FF5D, U+1D400-1D7FF, U+1EE00-1EEFF; } /* symbols */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjaln6iArmlw.woff2) format('woff2'); unicode-range: U+0001-000C, U+000E-001F, U+007F-009F, U+20DD-20E0, U+20E2-20E4, U+2150-218F, U+2190, U+2192, U+2194-2199, U+21AF, U+21E6-21F0, U+21F3, U+2218-2219, U+2299, U+22C4-22C6, U+2300-243F, U+2440-244A, U+2460-24FF, U+25A0-27BF, U+2800-28FF, U+2921-2922, U+2981, U+29BF, U+29EB, U+2B00-2BFF, U+4DC0-4DFF, U+FFF9-FFFB, U+10140-1018E, U+10190-1019C, U+101A0, U+101D0-101FD, U+102E0-102FB, U+10E60-10E7E, U+1D2C0-1D2D3, U+1D2E0-1D37F, U+1F000-1F0FF, U+1F100-1F1AD, U+1F1E6-1F1FF, U+1F30D-1F30F, U+1F315, U+1F31C, U+1F31E, U+1F320-1F32C, U+1F336, U+1F378, U+1F37D, U+1F382, U+1F393-1F39F, U+1F3A7-1F3A8, U+1F3AC-1F3AF, U+1F3C2, U+1F3C4-1F3C6, U+1F3CA-1F3CE, U+1F3D4-1F3E0, U+1F3ED, U+1F3F1-1F3F3, U+1F3F5-1F3F7, U+1F408, U+1F415, U+1F41F, U+1F426, U+1F43F, U+1F441-1F442, U+1F444, U+1F446-1F449, U+1F44C-1F44E, U+1F453, U+1F46A, U+1F47D, U+1F4A3, U+1F4B0, U+1F4B3, U+1F4B9, U+1F4BB, U+1F4BF, U+1F4C8-1F4CB, U+1F4D6, U+1F4DA, U+1F4DF, U+1F4E3-1F4E6, U+1F4EA-1F4ED, U+1F4F7, U+1F4F9-1F4FB, U+1F4FD-1F4FE, U+1F503, U+1F507-1F50B, U+1F50D, U+1F512-1F513, U+1F53E-1F54A, U+1F54F-1F5FA, U+1F610, U+1F650-1F67F, U+1F687, U+1F68D, U+1F691, U+1F694, U+1F698, U+1F6AD, U+1F6B2, U+1F6B9-1F6BA, U+1F6BC, U+1F6C6-1F6CF, U+1F6D3-1F6D7, U+1F6E0-1F6EA, U+1F6F0-1F6F3, U+1F6F7-1F6FC, U+1F700-1F7FF, U+1F800-1F80B, U+1F810-1F847, U+1F850-1F859, U+1F860-1F887, U+1F890-1F8AD, U+1F8B0-1F8BB, U+1F8C0-1F8C1, U+1F900-1F90B, U+1F93B, U+1F946, U+1F984, U+1F996, U+1F9E9, U+1FA00-1FA6F, U+1FA70-1FA7C, U+1FA80-1FA89, U+1FA8F-1FAC6, U+1FACE-1FADC, U+1FADF-1FAE9, U+1FAF0-1FAF8, U+1FB00-1FBFF; } /* vietnamese */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmbiArmlw.woff2) format('woff2'); unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; } /* latin-ext */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmaiArmlw.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; } /* latin */ @font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-stretch: 100%; font-display: swap; src: url(https://www.bybrand.io/docs/wp-content/fonts/roboto/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmUiAo.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }