:root{--navy:#1f1f46;--blue-900:#02468c;--blue-800:#035db8;--blue-600:#0071e3;--blue-100:#ebf5ff;--ink:#17253a;--muted:#637083;--surface:#fff;--page:#f3f7fb;--border:#dce5ef;--success:#198754;--warning:#d99400;--error:#c9363e;--shadow:0 16px 40px rgba(2,70,140,.10)}
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h2{font-size:28px;color:var(--navy);margin:7px 0 0}.secondary{height:42px;background:#fff;color:var(--blue-900);border:1px solid var(--border)}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.check-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(2,70,140,.06);min-width:0}.check-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.check-name{display:flex;align-items:center;gap:12px}.check-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;background:var(--blue-100);color:var(--blue-900);font-weight:900;font-size:12px}.check-card h3{margin:0;color:var(--navy)}.status{padding:6px 9px;border-radius:999px;font-size:11px;font-weight:900;text-transform:uppercase}.status-pass{background:#e7f7ee;color:#116b40}.status-warning{background:#fff3d8;color:#8b5c00}.status-fail{background:#ffeaeb;color:#9e2830}.status-info,.status-not_tested{background:#edf1f5;color:#536172}.summary{color:var(--muted);line-height:1.5;margin:16px 0}.record{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f8fb;border-radius:9px;padding:12px;color:var(--navy);font:12px/1.55 Consolas,monospace}.metrics{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.metric{padding:7px 9px;background:var(--blue-100);color:var(--blue-900);border-radius:8px;font-size:12px;font-weight:700}.findings{margin:14px 0 0;padding-left:19px;color:#6a4c15;font-size:13px;line-height:1.55}.details{margin-top:15px;border-top:1px solid var(--border);padding-top:13px}.details summary{cursor:pointer;color:var(--blue-800);font-weight:800;font-size:13px}.details pre{white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.5 Consolas,monospace;color:var(--muted)}.recommendations{margin-top:48px;padding:28px;background:#fff;border:1px solid var(--border);border-radius:16px}.recommendation{display:grid;grid-template-columns:auto 1fr;gap:13px;padding:15px 0;border-top:1px solid var(--border)}.recommendation:first-child{margin-top:16px}.priority{width:9px;height:9px;margin-top:6px;border-radius:50%;background:var(--warning)}.priority.high{background:var(--error)}.recommendation strong{color:var(--navy)}.recommendation p{margin:4px 0 0;color:var(--muted);line-height:1.5}footer{min-height:110px;background:var(--blue-900);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px max(24px,calc((100vw - 1160px)/2));font-size:13px}footer span{color:#cde6ff}@media(max-width:900px){.hero-inner{grid-template-columns:1fr;gap:34px;padding-top:50px}.checker{max-width:620px}.overview{grid-template-columns:1fr}.meta-card{min-height:120px}}@media(max-width:680px){.topbar{height:68px}.environment{display:none}.hero-inner{padding:40px 18px 48px}.checker{padding:20px}.input-row{display:grid}.input-row button{width:100%}.content{padding:36px 18px 60px}.check-grid{grid-template-columns:1fr}.score-card{align-items:flex-start}.score-ring{width:88px;height:88px}.section-heading{align-items:flex-start;gap:16px}.section-heading h2{font-size:24px}footer{align-items:flex-start;flex-direction:column}}
[hidden]{display:none!important}
.brand-logo{display:block;width:142px;height:auto}.brand-caption{padding-left:13px;border-left:1px solid var(--border);color:var(--muted);font-size:12px;font-weight:700;line-height:1.25;max-width:92px}.checker-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px}.checker-footer .privacy-note{margin:0}.reset-button{height:auto;padding:4px 0;background:transparent;color:var(--blue-800);font-size:12px;font-weight:800}.reset-button:hover{background:transparent;color:var(--navy);transform:none;text-decoration:underline}.footer-brand{display:inline-flex;align-items:center}.footer-brand img{display:block;width:150px;height:auto;filter:brightness(0) invert(1)}@media(max-width:680px){.brand-logo{width:122px}.brand-caption{display:none}.checker-footer{align-items:flex-start;flex-direction:column}.footer-brand img{width:135px}}
body{min-height:100vh;display:flex;flex-direction:column}main{flex:1;display:flex;flex-direction:column}.content{width:100%;flex:1}
.overview{scroll-margin-top:24px}.footer-logos{display:flex;align-items:center;gap:20px}.footer-separator{width:1px;height:42px;background:rgba(255,255,255,.28)}.zmail-brand{display:inline-flex;align-items:center}.zmail-brand img{display:block;width:108px;height:auto}@media(max-width:680px){.footer-logos{gap:14px}.footer-separator{height:34px}.zmail-brand img{width:96px}}
.secondary:hover,.secondary:focus-visible,.secondary:active{background:var(--blue-900);color:#fff;border-color:var(--blue-900)}
.content{display:flex;flex-direction:column}.empty-state{flex:1;display:flex;flex-direction:column;justify-content:center;padding:44px 0 30px;text-align:left}.empty-intro{text-align:center;max-width:720px;margin:0 auto 28px}.empty-intro h2{margin:8px 0 9px;color:var(--navy);font-size:30px}.empty-intro p{margin:0;color:var(--muted);line-height:1.6}.feature-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.feature-card{min-width:0;background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:0 8px 24px rgba(2,70,140,.06);transition:transform .2s,box-shadow .2s}.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.feature-code{display:grid;place-items:center;width:44px;height:44px;margin-bottom:15px;border-radius:11px;background:var(--blue-100);color:var(--blue-900);font-size:11px;font-weight:900}.feature-card h3{margin:0 0 7px;color:var(--navy);font-size:16px}.feature-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.empty-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:22px;padding:16px 18px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.72)}.trust-points{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:12px;font-weight:700}.trust-points span:before{content:"✓";margin-right:7px;color:var(--success);font-weight:900}.empty-cta{height:44px;white-space:nowrap}.empty-cta:hover,.empty-cta:focus-visible{color:#fff}@media(max-width:1050px){.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:680px){.empty-state{justify-content:flex-start;padding:32px 0 12px}.empty-intro{margin-bottom:20px}.empty-intro h2{font-size:25px}.feature-grid{grid-template-columns:1fr;gap:10px}.feature-card{display:flex;align-items:center;gap:14px;padding:13px 14px}.feature-code{flex:0 0 43px;margin:0}.feature-card h3{margin:0 0 3px;font-size:15px}.feature-card p{font-size:12px}.empty-bottom{align-items:stretch;flex-direction:column;margin-top:14px;padding:15px}.trust-points{display:grid;gap:8px}.empty-cta{width:100%}}
.footer-brand img{filter:none}

.dkim-auto-note{display:block;margin-top:7px;color:var(--blue-900);font-size:11px;line-height:1.4}

.score-critical{--score-color:#c9363e;--score-border:#efb7bb;--score-soft:#fff0f1}.score-risk{--score-color:#df6732;--score-border:#f1c2ab;--score-soft:#fff3ed}.score-attention{--score-color:#c98500;--score-border:#efd598;--score-soft:#fff7e5}.score-good{--score-color:#198754;--score-border:#b9dfca;--score-soft:#edf8f2}.score-ring[class*="score-"] span{color:var(--score-color)}.score-card[class*="score-"]{border-color:var(--score-border)}.score-card[class*="score-"] #score-label{color:var(--score-color);font-weight:700}.score-indicator{display:inline-flex;margin-top:10px;padding:5px 9px;border-radius:999px;background:var(--score-soft);color:var(--score-color);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.03em}
.score-badges{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px}.score-badges .score-indicator{margin-top:0}.mail-service-badge{display:inline-flex;align-items:center;gap:7px;min-height:31px;padding:4px 11px 4px 6px;border:1px solid #b8d7f3;border-radius:999px;background:linear-gradient(135deg,#eef7ff,#e4f1ff);color:var(--blue-900);box-shadow:0 3px 10px rgba(2,70,140,.08);font-size:12px;font-weight:900;letter-spacing:.01em}.mail-service-icon{display:grid;place-items:center;width:22px;height:24px;padding-bottom:2px;background:linear-gradient(145deg,var(--blue-800),var(--blue-600));clip-path:polygon(50% 0,92% 16%,86% 70%,50% 100%,14% 70%,8% 16%);color:#fff;font-size:12px;font-weight:900;line-height:1}

.infrastructure-card{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 10px 28px rgba(2,70,140,.07)}.infrastructure-block{min-width:0;padding:22px 24px}.infrastructure-block+ .infrastructure-block{border-left:1px solid var(--border)}.infrastructure-heading{display:flex;align-items:center;gap:13px;margin-bottom:15px}.infrastructure-heading div>span{display:block;margin-bottom:3px;color:var(--muted);font-size:11px}.infrastructure-heading strong{display:block;color:var(--navy);font-size:17px}.infrastructure-icon{display:grid;place-items:center;width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:linear-gradient(145deg,var(--blue-800),var(--blue-600));color:#fff;font-size:12px;font-weight:900;box-shadow:0 7px 18px rgba(0,113,227,.2)}.infrastructure-count{display:block;margin-bottom:8px;color:var(--muted);font-size:11px;font-weight:700}.infrastructure-list{display:grid;gap:8px}.infrastructure-item{min-width:0;padding:9px 12px;border:1px solid #d5e5f4;border-radius:9px;background:#f3f8fd;color:var(--blue-900);overflow-wrap:anywhere}.nameserver-item{font:700 12px/1.35 Consolas,monospace}.infrastructure-empty{color:var(--muted);font-size:13px;line-height:1.5}.mx-infrastructure-item{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:11px}.mx-priority{padding:4px 6px;border-radius:6px;background:#e2f0fc;color:var(--blue-900);font-size:10px;font-weight:900;white-space:nowrap}.mx-server strong,.mx-server small{display:block}.mx-server strong{font:700 12px/1.4 Consolas,monospace}.mx-server small{margin-top:3px;color:var(--muted);font:10px/1.4 Consolas,monospace;overflow-wrap:anywhere}.infrastructure-note{margin:10px 0 0;padding:9px 11px;border-radius:8px;background:#fff7e5;color:#795400;font-size:11px;line-height:1.45}.infrastructure-offer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:13px;padding-top:12px;border-top:1px solid var(--border)}.infrastructure-offer strong{color:var(--navy);font-size:11px;line-height:1.4}.infrastructure-offer a{flex:0 0 auto;color:var(--blue-800);font-size:11px;font-weight:900;text-decoration:none}.infrastructure-offer a:hover,.infrastructure-offer a:focus-visible{text-decoration:underline}

.recommendation-link{display:inline-flex;margin-top:8px;color:var(--blue-800);font-size:12px;font-weight:800;text-decoration:none}.recommendation-link:hover,.recommendation-link:focus-visible{text-decoration:underline}
.bottom-actions{display:flex;justify-content:center;margin-top:30px}.bottom-actions button{min-width:260px;box-shadow:0 10px 24px rgba(0,91,184,.2)}

.dkim-inline-form{margin:16px 0 4px;padding:15px;border:1px solid var(--border);border-radius:11px;background:#f8fbfe}.dkim-inline-form label{margin-bottom:7px}.dkim-input-row{display:flex;gap:9px}.dkim-input-row input{height:44px;min-width:0;flex:1;background:#fff}.dkim-input-row button{height:44px;white-space:nowrap}.dkim-help{display:block;margin-top:7px;color:var(--muted);font-size:11px;line-height:1.4}.dkim-inline-error{margin:8px 0 0;color:var(--error);font-size:12px;font-weight:700}@media(max-width:520px){.dkim-input-row{display:grid}.dkim-input-row button{width:100%}}

.check-info{margin-top:16px;padding:14px 15px;border:1px solid #cfe2f5;border-radius:11px;background:#f1f7fd}.check-info strong{display:block;margin-bottom:5px;color:var(--navy);font-size:13px}.check-info p{margin:0;color:var(--muted);font-size:12px;line-height:1.55}.check-info-link{display:inline-flex;margin-top:9px;color:var(--blue-800);font-size:12px;font-weight:900;text-decoration:none}.check-info-link:hover,.check-info-link:focus-visible{text-decoration:underline}.check-info-zmail{border-color:#bcd9f3;background:#edf6ff}

@media(max-width:680px){.infrastructure-card{grid-template-columns:1fr}.infrastructure-block{padding:18px}.infrastructure-block+ .infrastructure-block{border-top:1px solid var(--border);border-left:0}.infrastructure-offer{align-items:flex-start;flex-direction:column;gap:6px}.bottom-actions button{width:100%;min-width:0}}

.status-guide{margin:-4px 0 20px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.72)}.status-guide summary{cursor:pointer;color:var(--blue-800);font-size:13px;font-weight:900}.status-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px;margin-top:15px}.status-guide-grid>div{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px}.status-guide-grid p{margin:0;color:var(--muted);font-size:12px;line-height:1.4}.setting-guide{margin-top:16px;padding:15px;border:1px solid #d6e5f3;border-radius:11px;background:#f8fbfe}.setting-guide-title{display:block;margin-bottom:11px;color:var(--navy);font-size:13px}.setting-guide-list{display:grid;gap:10px}.setting-row{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding-top:10px;border-top:1px solid #e2ebf3}.setting-row:first-child{padding-top:0;border-top:0}.setting-label{color:var(--muted);font-size:11px;font-weight:700}.setting-value{display:block;color:var(--blue-900);font-size:12px;line-height:1.4}.setting-content p{margin:3px 0 0;color:var(--muted);font-size:11px;line-height:1.5}@media(max-width:680px){.status-guide-grid{grid-template-columns:1fr}.setting-row{grid-template-columns:1fr;gap:3px}}

.mail-service-details{position:relative}.mail-service-details>summary{list-style:none;cursor:pointer}.mail-service-details>summary::-webkit-details-marker{display:none}.mail-service-details[open] .mail-service-badge{border-color:#79b7ea;box-shadow:0 0 0 3px rgba(0,113,227,.1)}.mail-service-help{display:grid;place-items:center;width:18px;height:18px;flex:0 0 auto;border:1px solid #9ac5e8;border-radius:50%;color:var(--blue-800);font:900 11px/1 Arial,sans-serif}.zmail-tooltip{position:absolute;z-index:30;top:calc(100% + 11px);left:0;width:340px;padding:17px 18px;border:1px solid #a9cee9;border-radius:13px;background:#fff;color:var(--ink);box-shadow:0 18px 45px rgba(0,41,88,.22)}.zmail-tooltip:before{content:"";position:absolute;bottom:100%;left:24px;border:7px solid transparent;border-bottom-color:#a9cee9}.zmail-tooltip:after{content:"";position:absolute;bottom:100%;left:25px;border:6px solid transparent;border-bottom-color:#fff}.zmail-tooltip strong{display:block;color:var(--navy);font-size:14px}.score-card .zmail-tooltip p{margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.55}.zmail-tooltip a{display:inline-flex;margin-top:11px;color:var(--blue-800);font-size:12px;font-weight:900;text-decoration:none}.zmail-tooltip a:hover,.zmail-tooltip a:focus-visible{text-decoration:underline}

.site-footer{display:block;min-height:0;padding:44px max(24px,calc((100vw - 1160px)/2)) 20px}.footer-main{display:grid;grid-template-columns:1.35fr repeat(3,minmax(0,1fr));gap:42px}.footer-about p{max-width:280px;margin:20px 0 0;color:#cde6ff;font-size:12px;line-height:1.6}.footer-column{display:flex;flex-direction:column;align-items:flex-start;gap:9px}.footer-column h2{margin:2px 0 7px;color:#fff;font-size:14px;letter-spacing:.02em}.footer-column a,.footer-bottom a{color:#cde6ff;text-decoration:none;transition:color .2s}.footer-column a{font-size:12px;line-height:1.4}.footer-column a:hover,.footer-column a:focus-visible,.footer-bottom a:hover,.footer-bottom a:focus-visible{color:#fff;text-decoration:underline}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);font-size:11px}.footer-bottom>div{display:flex;flex-wrap:wrap;gap:10px 22px}.footer-bottom span{color:#a9cfea}

@media(max-width:900px){.footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 48px}.footer-about{grid-column:1/-1}.footer-about p{max-width:520px}}
@media(max-width:680px){.zmail-tooltip{right:0;left:auto;width:min(320px,calc(100vw - 36px))}.zmail-tooltip:before{right:22px;left:auto}.zmail-tooltip:after{right:23px;left:auto}.site-footer{padding:34px 22px 20px}.footer-main{grid-template-columns:1fr;gap:28px}.footer-about{grid-column:auto}.footer-about p{margin-top:16px}.footer-bottom{align-items:flex-start;flex-direction:column;margin-top:28px}.footer-bottom>div{gap:9px 18px}}

.zmail-tooltip{padding-right:48px}.zmail-tooltip-close{position:absolute;top:9px;right:9px;display:grid;place-items:center;width:30px;height:30px;min-width:0;padding:0;border:0;border-radius:8px;background:transparent;color:var(--muted);font:700 22px/1 Arial,sans-serif;box-shadow:none}.zmail-tooltip-close:hover{background:var(--blue-100);color:var(--blue-900);transform:none}.zmail-tooltip-close:focus-visible{outline:2px solid var(--blue-600);outline-offset:1px}

.topbar-contact{display:inline-flex;align-items:center;gap:10px;padding:8px 9px 8px 14px;border:1px solid #d7e4f0;border-radius:999px;background:#f7fbff;color:var(--muted);font-size:11px;text-decoration:none;transition:.2s}.topbar-contact strong{padding:6px 10px;border-radius:999px;background:var(--blue-800);color:#fff;font-size:11px}.topbar-contact:hover,.topbar-contact:focus-visible{border-color:#9bc7e9;background:#eef7ff}.section-actions{display:flex;align-items:center;gap:10px}.results-help-link{display:inline-flex;align-items:center;justify-content:center;padding:0 16px;text-decoration:none;white-space:nowrap}.results-help-link:hover,.results-help-link:focus-visible{background:var(--blue-100);color:var(--blue-900)}

.assistance-cta{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;margin-top:28px;padding:30px;overflow:hidden;border-radius:20px;background:linear-gradient(135deg,var(--blue-900) 0%,var(--blue-800) 58%,var(--blue-600) 100%);color:#fff;box-shadow:0 18px 42px rgba(2,70,140,.2);scroll-margin-top:24px}.assistance-cta:before{content:"";position:absolute;right:-105px;bottom:-165px;width:340px;height:340px;border:56px solid rgba(255,255,255,.06);border-radius:50%}.assistance-main,.assistance-zmail{position:relative;z-index:1}.assistance-main h2{max-width:610px;margin:12px 0 10px;color:#fff;font-size:clamp(25px,3vw,34px);line-height:1.15;letter-spacing:-.025em}.assistance-main>p{max-width:650px;margin:0;color:#ddecfb;font-size:15px;line-height:1.6}.assistance-kicker{display:inline-flex;align-items:center;gap:8px;color:#cfe8ff;font-size:11px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}.assistance-kicker>span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#fff;color:var(--blue-800);font-size:12px}.cta-primary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;margin-top:20px;padding:0 19px;border-radius:10px;background:#fff;color:var(--blue-900);box-shadow:0 8px 22px rgba(0,34,73,.2);font-size:13px;font-weight:900;text-decoration:none}.cta-primary:hover,.cta-primary:focus-visible{background:#eaf5ff;transform:translateY(-1px)}.assistance-main small{display:block;margin-top:10px;color:#bedcf6;font-size:11px}.assistance-zmail{align-self:stretch;padding:23px;border:1px solid rgba(255,255,255,.2);border-radius:15px;background:rgba(255,255,255,.1);backdrop-filter:blur(4px)}.assistance-zmail[hidden]{display:none}.assistance-zmail img{display:block;width:104px;height:auto;margin-bottom:18px}.assistance-zmail h3{margin:0 0 8px;color:#fff;font-size:18px;line-height:1.25}.assistance-zmail p{margin:0;color:#ddecfb;font-size:12px;line-height:1.55}.assistance-zmail a{display:inline-flex;align-items:center;gap:7px;margin-top:17px;color:#fff;font-size:13px;font-weight:900;text-decoration:none}.assistance-zmail a:hover,.assistance-zmail a:focus-visible{text-decoration:underline}.assistance-cta.is-zmail{grid-template-columns:1fr}.assistance-cta.is-zmail .assistance-main{max-width:760px}

@media(max-width:760px){.assistance-cta{grid-template-columns:1fr}.assistance-zmail{margin-top:2px}}
@media(max-width:680px){.section-heading{flex-direction:column;align-items:stretch}.section-actions{display:grid;grid-template-columns:1fr 1fr}.section-actions>*{width:100%}.assistance-cta{padding:23px 20px}.assistance-main h2{font-size:25px}.assistance-main>p{font-size:14px}.cta-primary{width:100%;text-align:center}.assistance-zmail{padding:20px}}
@media(max-width:480px){.topbar-contact{padding:7px}.topbar-contact>span{display:none}.topbar-contact strong{padding:6px 9px}.section-actions{grid-template-columns:1fr}.results-help-link{height:42px}}

.footer-certifications{display:flex;align-items:center;gap:20px;margin-top:22px}.footer-certification{display:inline-flex;align-items:center;justify-content:center;opacity:.92;transition:opacity .2s,transform .2s}.footer-certification:hover,.footer-certification:focus-visible{opacity:1;transform:translateY(-2px)}.footer-certification img{display:block;height:auto}.footer-certification--dnssec img{width:62px}.footer-certification--csirt img{width:126px}.site-footer .footer-main{grid-template-columns:minmax(230px,1.5fr) repeat(3,minmax(0,1fr));gap:36px}

@media(max-width:900px){.site-footer .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-certifications{margin-top:20px}}

@media(max-width:680px){.site-footer .footer-main{grid-template-columns:1fr}.footer-certifications{gap:18px}.footer-certification--dnssec img{width:56px}.footer-certification--csirt img{width:114px}}