@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/be-vietnam-pro-vietnamese-400-normal.CRcqvyg1.woff2)format("woff2"),url(/_astro/be-vietnam-pro-vietnamese-400-normal.BuGn0gnm.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/be-vietnam-pro-latin-ext-400-normal.CiZNW1ec.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-ext-400-normal.DYBYyMQr.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/be-vietnam-pro-latin-400-normal.PpnXBOrz.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-400-normal.bXgqVju9.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/be-vietnam-pro-vietnamese-600-normal.nyU-ZL2p.woff2)format("woff2"),url(/_astro/be-vietnam-pro-vietnamese-600-normal.DkpCIyan.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/be-vietnam-pro-latin-ext-600-normal.BNd8euf0.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-ext-600-normal.BeUwKxhG.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/be-vietnam-pro-latin-600-normal.BZDkUTrt.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-600-normal.5IO4e7bK.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Itim;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/itim-thai-400-normal.DKy7VkUm.woff2)format("woff2"),url(/_astro/itim-thai-400-normal.C0PXx-HY.woff)format("woff");unicode-range:U+2D7,U+303,U+331,U+E01-E5B,U+200C-200D,U+25CC}@font-face{font-family:Itim;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/itim-vietnamese-400-normal.eIQO41Tw.woff2)format("woff2"),url(/_astro/itim-vietnamese-400-normal.FNHP2OlI.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Itim;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/itim-latin-ext-400-normal.ZDRlYXzj.woff2)format("woff2"),url(/_astro/itim-latin-ext-400-normal.DfOkhDmG.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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}@font-face{font-family:Itim;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/itim-latin-400-normal.BIupJmNi.woff2)format("woff2"),url(/_astro/itim-latin-400-normal.Ctmd8gNE.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bo-goc:12px;--song:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 18'%3E%3Cpath d='M0 9 q12 -9 24 0 t24 0' fill='none' stroke='%236aa9a0' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E");--bong:3px 3px 0 var(--muc);--font-chu:"Be Vietnam Pro", system-ui, sans-serif;--font-tay:"Itim", "Be Vietnam Pro", cursive}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--muc);font:1.0625rem/1.75 var(--font-chu);overflow-wrap:break-word;background:var(--giay) repeating-linear-gradient(0deg, transparent 0 27px, var(--dong) 27px 28px);margin:0}h1,h2,h3,.tay{font-family:var(--font-tay);font-weight:400;line-height:1.25}h1{margin:.1em 0 .2em;font-size:clamp(2.2rem,8vw,3rem);transform:rotate(-1.5deg)}h1 .to{background:linear-gradient(transparent 60%, color-mix(in srgb, var(--vang) 45%, transparent) 60%);padding:0 .1em}h2{color:var(--nhan);margin:2.2em 0 .5em;font-size:1.7rem}h2:before{content:"";background:var(--song) repeat-x left center / 48px 18px;opacity:.8;height:18px;margin-bottom:.6em;display:block}h3{margin:1.6em 0 .4em;font-size:1.35rem}a{color:var(--nhan)}.dau-trang,.trang,.chan-trang{max-width:44rem;margin:0 auto;padding:0 16px}.dau-trang{padding-top:14px}.logo{font-family:var(--font-tay);color:var(--muc);font-size:1.5rem;text-decoration:none}.chan-trang{color:var(--muc-phu);padding-top:40px;padding-bottom:48px;font-size:.95rem}table{border-collapse:collapse;width:max-content;max-width:100%;display:block;overflow-x:auto}td,th{border:1.5px solid var(--muc);background:var(--the);padding:6px 10px}img,svg{max-width:100%;height:auto}pre{background:var(--the);max-width:100%;color:var(--muc);border:1.5px solid var(--muc-phu);tab-size:4;border-radius:8px;margin:1em 0;padding:10px 12px;font:.875rem/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace;overflow-x:auto}pre code{font:inherit;white-space:pre}button{font:1.05rem var(--font-tay);color:var(--chu-nut);background:var(--cam);border:2px solid var(--muc);box-shadow:2px 2px 0 var(--muc);cursor:pointer;border-radius:10px;min-height:44px;padding:6px 16px}button:active{box-shadow:none;transform:translate(2px,2px)}.nut-phu{background:var(--the);color:var(--nhan);margin:8px 8px 0 0}input{font:1.05rem var(--font-tay);color:var(--muc);background:var(--giay);border:2px solid var(--muc);border-radius:10px;min-width:0;padding:6px 10px}.the{background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);margin:1.2em 0;padding:12px 14px}.khung-tranh{background:var(--the);border:2px solid var(--muc);margin:1.4em 4px;padding:6px;position:relative;transform:rotate(.8deg)}.khung-tranh.nghieng-trai{transform:rotate(-1deg)}.khung-tranh:before{content:"";background:color-mix(in srgb, var(--xanh) 65%, transparent);width:76px;height:20px;position:absolute;top:-11px;left:38%;transform:rotate(-4deg)}.chu-thich{font:.85rem/1.4 var(--font-tay);color:var(--muc-phu);text-align:center;margin:6px 4px 0}.muc-tu__mon{font-family:var(--font-tay);color:var(--nhan);margin:1.2em 0 0}.muc-tu__tom-tat{color:var(--muc-phu);margin-top:0;font-size:1.1rem}.nhan-trang-thai{font:.85rem var(--font-tay);border:2px dashed var(--nhan);color:var(--nhan);border-radius:8px;padding:2px 10px;display:inline-block;transform:rotate(-2deg)}.mam{align-items:flex-end;gap:10px;margin:1.2em 0;display:flex}.mam svg{flex:0 0 56px;width:56px}.mam__loi{background:var(--the);border:2px solid var(--muc);box-shadow:var(--bong);font:1.05rem/1.45 var(--font-tay);border-radius:14px;padding:8px 12px;position:relative}.mam__loi>:first-child{margin-top:0}.mam__loi>:last-child{margin-bottom:0}.khoi{background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);border-left-width:8px;margin:1.4em 0;padding:10px 14px;position:relative}.khoi--chac-chan{border-left-color:var(--chac)}.khoi--giai-thoai{border-left-color:var(--ke);transform:rotate(-.5deg)}.khoi__nhan{font-family:var(--font-tay);margin:0 0 4px;font-size:1.05rem}.khoi--chac-chan .khoi__nhan{color:var(--chac)}.khoi--giai-thoai .khoi__nhan{color:var(--ke);padding-right:34px}.khoi__mam{width:44px;position:absolute;top:-22px;right:-10px}.khoi__noi-dung>:first-child{margin-top:0}.khoi__noi-dung>:last-child{margin-bottom:0}.trich-dan a{font-family:var(--font-tay);margin-left:1px;font-size:.8em;text-decoration:none}.su-kien{background:color-mix(in srgb, var(--vang) 14%, var(--the));border:2px solid var(--muc);box-shadow:var(--bong);border-radius:4px;grid-template-columns:6.5rem minmax(0,1fr);gap:12px;margin:1em 0;padding:10px 12px;display:grid;transform:rotate(.4deg)}.su-kien__nam{font-family:var(--font-tay);color:var(--nhan);font-size:1.1rem}.su-kien__noi-dung>:first-child{margin-top:0}.su-kien__noi-dung>:last-child{margin-bottom:0}@media (width<=480px){.su-kien{grid-template-columns:minmax(0,1fr);gap:0}}.lien-ket{text-underline-offset:4px;text-decoration-style:wavy;position:relative}.lien-ket:hover:after,.lien-ket:focus-visible:after{content:attr(data-tom-tat);z-index:10;background:var(--muc);width:min(18rem,80vw);max-width:calc(100vw - 32px);color:var(--giay);font:.9rem/1.5 var(--font-chu);border-radius:10px;padding:8px 12px;position:absolute;top:1.8em;left:0}@media (width<=480px){.lien-ket:hover:after,.lien-ket:focus-visible:after{width:auto;position:fixed;inset:auto 16px 16px}}.dao-sau{background:var(--the);border:2px dashed var(--muc);border-radius:var(--bo-goc);margin:1.4em 0;padding:8px 14px}.dao-sau summary{cursor:pointer;font-family:var(--font-tay);color:var(--nhan);font-size:1.1rem}.ban-do{margin:1.2em 0 .4em}.tiep-suc{border-left:3px dashed var(--nhan);margin:.8em 0 1.4em;padding:0;list-style:none}.tiep-suc__chang{padding:0 0 1em 20px;scroll-margin-top:16px;position:relative}.tiep-suc__chang:before{content:"";background:var(--the);border:2px solid var(--muc);border-radius:50%;width:14px;height:14px;position:absolute;top:.5em;left:-9px}.tiep-suc__nam{font-family:var(--font-tay);color:var(--nhan);margin-right:8px}.tiep-suc__van-minh{font-weight:600}.tiep-suc__nhan-vat{color:var(--muc-phu);font-style:italic;display:block}.tiep-suc__noi-dung{margin:.2em 0 0}.may-thu{background:var(--the);border:2px dashed var(--muc);border-radius:14px;margin:1.6em 0;padding:14px}.may-thu__tieu-de,.thu-thach__tieu-de{color:var(--nhan);margin-top:0}.may-thu__form,.bac__form{flex-wrap:wrap;gap:8px;display:flex}.may-thu input,.bac__form input{flex:10rem}.may-thu__loi,.bac__ket-qua--sai{color:var(--sai)}.bac__ket-qua--dung{color:var(--dung);font-family:var(--font-tay);font-size:1.15rem}.may-thu__lich-su{padding:0;list-style:none}.may-thu__lan{border-top:2px dotted var(--dong);margin-top:8px;padding-top:8px}.may-thu__nhap{font-family:var(--font-tay);margin:0}.may-thu__ket-qua{font:1.4rem var(--font-tay);overflow-wrap:anywhere;margin:0}.may-thu__buoc{overflow-wrap:anywhere;margin:4px 0}.mo-phong-khung{margin:1.6em 0}.mo-phong-khung__mo-ta{color:var(--muc-phu);margin-top:6px;font-size:.95rem}.mo-phong{background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);padding:14px}.mo-phong__tieu-de{color:var(--nhan);margin-top:0}.mo-phong__huong-dan{margin:0 0 8px}.mo-phong__hinh{aspect-ratio:4/3;border:2px dashed var(--muc);background:var(--giay);touch-action:pan-y;border-radius:10px;width:100%;max-width:100%;position:relative;overflow:hidden}.mo-phong__hinh canvas{display:block}.mo-phong__thay-the,.mo-phong__cho{color:var(--muc-phu);font-family:var(--font-tay);margin:0;padding:16px}.mo-phong__dieu-khien{flex-wrap:wrap;align-items:end;gap:8px 16px;margin-top:10px;display:flex}.mo-phong__truot{flex-direction:column;flex:14rem;min-width:0;display:flex}.mo-phong__truot input[type=range]{width:100%;min-height:44px;accent-color:var(--nhan);cursor:pointer;background:0 0;border:0;padding:0}.mo-phong__chon{border:0;flex-wrap:wrap;gap:8px;min-width:0;margin:0;padding:0;display:flex}.mo-phong__chon legend{margin-bottom:4px;padding:0}.mo-phong__chon button[aria-pressed=false]{background:var(--the);color:var(--nhan)}.mo-phong__so-doc{font:1.25rem var(--font-tay);overflow-wrap:anywhere;margin:10px 0 0;padding:0;list-style:none}.mo-phong__doan{color:var(--muc-phu);font-style:italic}.mo-phong__gioi-han{color:var(--muc-phu);margin:8px 0 0;font-size:.9rem}.mo-phong--toan-man-hinh{z-index:1000;box-shadow:none;background:var(--giay);border:0;border-radius:0;margin:0;padding:0;position:fixed;inset:0;overflow:hidden}.mo-phong--toan-man-hinh .mo-phong__tieu-de,.mo-phong--toan-man-hinh .mo-phong__huong-dan{display:none}.mo-phong--toan-man-hinh:focus{outline:none}.mo-phong--toan-man-hinh .mo-phong__hinh{aspect-ratio:auto;touch-action:none;border:0;border-radius:0;width:auto;height:auto;position:absolute;inset:0}.mo-phong--toan-man-hinh .mo-phong__bang{overscroll-behavior:contain;box-sizing:border-box;max-height:62%;padding:8px max(14px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));color:var(--muc);background:color-mix(in srgb, var(--giay) 74%, transparent);border-top:1px solid color-mix(in srgb, var(--muc) 30%, transparent);-webkit-backdrop-filter:blur(8px);animation:.18s ease-out mo-phong-bang-len;position:absolute;bottom:0;left:0;right:0;overflow-y:auto}@keyframes mo-phong-bang-len{0%{opacity:0;transform:translateY(24px)}}@media (prefers-reduced-motion:reduce){.mo-phong--toan-man-hinh .mo-phong__bang{animation:none}}.mo-phong--toan-man-hinh .mo-phong__dieu-khien{margin-top:6px}.mo-phong--toan-man-hinh .mo-phong__so-doc{margin-top:6px;font-size:1.05rem}.mo-phong__nut-toan-man,.mo-phong__nut-thu-gon{background:var(--the);color:var(--nhan)}.mo-phong__nut-thoat{top:max(10px, env(safe-area-inset-top));right:max(10px, env(safe-area-inset-right));z-index:1;position:absolute}.mo-phong--toan-man-hinh .mo-phong__bang--gon{background:color-mix(in srgb, var(--giay) 62%, transparent);padding-top:6px;animation:none;overflow:hidden}.mo-phong__tom-tat{font:.85rem/1.35 var(--font-chu);color:var(--muc);margin:0 0 6px;padding:0;list-style:none}.mo-phong__tom-tat li{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.mo-phong__tom-tat li+li{color:var(--muc-phu)}.mo-phong__hang-hud{align-items:flex-start;gap:8px;display:flex}.mo-phong__hang-hud button{white-space:nowrap;flex:none}.mo-phong__hang-hud-khung{flex:1 1 0;min-width:0;display:flex;position:relative}.mo-phong__hang-hud-cuon{overscroll-behavior-x:contain;scrollbar-width:none;flex:1 1 0;gap:8px;min-width:0;padding:0 3px 3px 0;display:flex;overflow-x:auto}.mo-phong__hang-hud-cuon::-webkit-scrollbar{display:none}.mo-phong__hang-hud-con{width:40px;font:700 1.6rem/1 var(--font-chu);color:var(--muc);pointer-events:none;background:linear-gradient(to right, transparent, color-mix(in srgb, var(--giay) 94%, transparent) 62%);justify-content:flex-end;align-items:center;padding-right:2px;display:flex;position:absolute;top:0;bottom:3px;right:0}@media (width<=520px){.mo-phong__hang-hud,.mo-phong__hang-hud-cuon{gap:6px}.mo-phong__hang-hud button{min-height:44px;padding-left:9px;padding-right:9px;font-size:.94rem}}.thu-thach{background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);margin:1.6em 0;padding:14px}.thu-thach__cac-bac{margin:0;padding:0;list-style:none}.bac{border-top:2px dotted var(--dong);padding:12px 0}.bac:first-child{border-top:0}.bac__nhan{font-family:var(--font-tay);color:var(--nhan);margin:0}.bac__de{margin:4px 0 8px;font-weight:600}.bac__mo{color:var(--muc-phu);font-style:italic}.bac__loi-giai{background:var(--giay);border:1.5px dashed var(--muc);border-radius:10px;margin-top:8px;padding:8px 12px}.chuc-mung{border:2px solid var(--muc);background:color-mix(in srgb, var(--vang) 25%, var(--the));border-radius:14px;align-items:center;gap:12px;margin-top:12px;padding:10px;display:flex}.chuc-mung svg{flex:0 0 64px;width:64px}.chuc-mung__huy-hieu{flex:0 0 64px;line-height:0}@media (prefers-reduced-motion:no-preference){.chuc-mung__huy-hieu{animation:.6s ease-out nay}}@keyframes nay{0%{transform:scale(.4)rotate(-20deg)}70%{transform:scale(1.15)rotate(6deg)}to{transform:none}}.re-canh{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:16px;display:grid}.re-canh__nhom{background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);padding:12px 16px}.re-canh__nhom h3{margin-top:0}.re-canh ul{margin:0;padding-left:1.2em}.re-canh__trong{color:var(--muc-phu);margin:0;font-style:italic}.nguon{font-size:.95rem}.nguon li{margin-bottom:6px}.nguon__loai{color:var(--muc-phu);font-size:.8rem}.bai-ke{border-top:2px dashed var(--dong);grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:2em 0 1em;padding-top:14px;display:grid}.bai-ke__o{min-width:0;color:inherit;background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);flex-direction:column;gap:2px;padding:12px 14px;text-decoration:none;display:flex;position:relative;transform:rotate(-.6deg)}.bai-ke__o--sau{text-align:right;grid-column:2;transform:rotate(.6deg)}.bai-ke__o:before{content:"";background:color-mix(in srgb, var(--vang) 60%, transparent);width:56px;height:18px;margin-left:-28px;position:absolute;top:-10px;left:50%;transform:rotate(-3deg)}.bai-ke__o:hover,.bai-ke__o:focus-visible{border-color:var(--nhan);transform:none}.bai-ke__nhan{font-family:var(--font-tay);color:var(--nhan)}.bai-ke__ten{font:1.25rem/1.3 var(--font-tay);color:var(--muc);overflow-wrap:anywhere}@media (width<=480px){.bai-ke{grid-template-columns:minmax(0,1fr)}.bai-ke__o--sau{grid-column:1}}.bia{text-align:center;padding:1em 0 .5em}.bia h1{transform:rotate(-2deg)}.trang-so{grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:18px;padding:0;list-style:none;display:grid}.trang-so__the{color:inherit;background:var(--the);border:2px solid var(--muc);border-radius:var(--bo-goc);box-shadow:var(--bong);padding:10px;text-decoration:none;display:block}.trang-so__the:hover{transform:rotate(-1deg)}.trang-so__nam{font-family:var(--font-tay);color:var(--nhan)}.trang-so__bai{border:2px solid var(--nhan);border-radius:8px;margin-right:8px;padding:0 8px;display:inline-block;transform:rotate(-2deg)}.trang-so__ten{font:1.5rem var(--font-tay);margin:.1em 0}.tui-huy-hieu{flex-wrap:wrap;gap:12px;padding:0;list-style:none;display:flex}.tui-huy-hieu li{text-align:center;width:104px;font:.85rem/1.3 var(--font-tay)}.tui-huy-hieu a{color:var(--muc-phu)}.tui-huy-hieu .chua-co svg{opacity:.35;filter:grayscale()}.chi-doc-man-hinh{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.mon--toan{color:var(--xanh-chu)}.mon--vatly{color:var(--nhan)}.mon--thienvan{color:var(--dem)}.mon--dien{color:var(--set)}.mon--ai{color:var(--may)}.mon--phanmem{color:var(--reu)}.mon--giaothuc{color:var(--gach)}.mon--matma{color:var(--cham)}.mon--nen{color:var(--ngoc)}.mon--iot{color:var(--rom)}.danh-sach{padding:0;list-style:none}.danh-sach li{border-bottom:2px dotted var(--dong);padding:10px 0}.danh-sach__nam{color:var(--muc-phu);font-family:var(--font-tay);margin-right:8px;font-size:.95rem}.chan-trang:before{content:"";background:var(--song) repeat-x left center / 48px 18px;opacity:.8;height:18px;margin-bottom:16px;display:block}