.app-card{border-left:5px solid #4caf50;flex-direction:column;align-items:center;text-align:center}.app-card:hover{border-left-color:#4caf50}.card-icon{color:#764ba2;margin-bottom:15px}.card-icon-image{width:144px;height:144px;border-radius:8px;object-fit:cover;display:block}.app-card h3{margin:0 0 10px;font-size:1.25rem;color:#2e7d32}.app-card p{color:#666;font-size:.95rem;margin:0}.app-grid{--card-grid-min: 300px;--card-grid-gap: 20px;padding:10px 0}.App{width:100%;font-family:sans-serif;display:flex;flex-direction:column;align-items:center;padding-bottom:0}.section{background:#fff;padding:16px;border-radius:12px;border:1px solid #e1e1e1;box-shadow:0 4px 15px #0000000d;margin-bottom:16px;width:100%;box-sizing:border-box}.result-box{border-left:5px solid #4caf50}.result-box h2{color:#2e7d32;margin-top:0}@media (min-width: 640px){.section{padding:24px;margin-bottom:20px}}@media (min-width: 1024px){.section{padding:30px;margin-bottom:25px}}.reset-inputs-btn,.copy-button,.icon-btn{border:1px solid #ccc;background:#fff;color:#233044;cursor:pointer;transition:background-color .2s,border-color .2s,box-shadow .2s,transform .2s;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:none!important}.reset-inputs-btn,.copy-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:4px;font:inherit;font-weight:700;text-decoration:none}.reset-inputs-btn{padding:6px 10px;font-size:.85rem}.copy-button{padding:6px 12px;font-size:.8rem}.reset-inputs-btn:hover:not(:disabled),.copy-button:hover:not(:disabled),.icon-btn:hover:not(:disabled){background-color:#e0e0e0;border-color:#999}.reset-inputs-btn:active:not(:disabled),.copy-button:active:not(:disabled),.icon-btn:active:not(:disabled){transform:translateY(1px)}.reset-inputs-btn:disabled,.copy-button:disabled,.icon-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.icon-btn{width:32px;height:32px;padding:0;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;min-width:32px}.icon-btn svg{width:16px;height:16px}@media (min-width: 640px){.reset-inputs-btn{padding:8px 12px;font-size:.9rem}.icon-btn{width:36px;height:36px}.icon-btn svg{width:18px;height:18px}}select{transition:border-color .2s ease-in-out,box-shadow .2s ease-in-out,background-color .2s ease-in-out}select:hover{box-shadow:0 2px 8px #0000001a}.form-field{display:flex;flex-direction:column;gap:7px;color:#354758;font-weight:700;text-align:left}.form-field>span,.form-field-label{display:inline-flex;align-items:center;gap:8px;line-height:1.2}.form-field small,.form-field-hint{color:#6a7786;font-size:.82rem;font-weight:500;overflow-wrap:anywhere}.form-field input[type=password],.form-field input[type=text],.form-field input[type=email],.form-field input[type=number],.form-field input[type=search],.form-field input[type=url],.form-field textarea{width:100%;min-height:40px;box-sizing:border-box;padding:8px 10px;border:1px solid #ccc;border-radius:4px;background:#fff;color:#233044;font:inherit;font-weight:500}.form-field textarea{min-height:96px;resize:vertical;line-height:1.5}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:#2f8b78;box-shadow:0 0 0 3px #2f8b7829}.form-file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.form-file-picker{min-height:42px;width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-sizing:border-box;padding:10px 14px;border:1px solid #cbd8dd;border-radius:8px;background:#f8fafc;color:#26374d;cursor:pointer;font-size:.92rem;font-weight:800;transition:background-color .2s,border-color .2s,box-shadow .2s,transform .2s}.form-file-picker:hover:not(:disabled),.form-file-picker:focus-visible,.form-file-picker:focus-within{background:#eef5fb;border-color:#55a995;box-shadow:0 3px 10px #1c2e3a1f;outline:none}.form-file-picker:active:not(:disabled){transform:translateY(1px)}.form-file-picker:disabled{cursor:not-allowed;opacity:.65;transform:none}.form-picker-actions{display:grid;grid-template-columns:1fr;gap:8px}.variable-selector-button{min-height:38px;min-width:76px;box-sizing:border-box;padding:8px 34px 8px 12px;border:1px solid #ccc;border-radius:6px;color:#233044;cursor:pointer;font:inherit;font-size:.9rem;font-weight:600;line-height:1.2;transition:border-color .2s,box-shadow .2s,background-color .2s;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-color:#fff;background-image:url('data:image/svg+xml;utf8,<svg fill="%23233044" height="20" viewBox="0 0 24 24" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');background-repeat:no-repeat;background-position:right 8px center;box-shadow:0 1px 2px #141f2f0a}.variable-selector-button:hover:not(:disabled){border-color:#999;background-color:#fdfdfd}.variable-selector-button:focus-visible{border-color:#2f8b78;box-shadow:0 0 0 3px #2f8b7829;outline:none}.variable-selector-button:disabled{cursor:not-allowed;opacity:.65;background-color:#f4f6f8;box-shadow:none}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(var(--card-grid-min, 280px),1fr));gap:var(--card-grid-gap, 16px);width:100%;margin:0}.card-shell{width:100%;box-sizing:border-box;padding:16px;border:1px solid #e1e1e1;border-radius:12px;background:#fff;box-shadow:0 4px 15px #0000000d}.card-shell.is-disabled{opacity:.72}.card-link{display:flex;color:#333;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.card-link:hover,.card-link:focus-visible{border-color:#ccc;box-shadow:0 6px 20px #0000001a;outline:none;transform:translateY(-1px)}.card-badge{display:flex;flex-direction:column;gap:6px;padding:12px;border-radius:6px}.card-status{flex:0 0 auto;padding:6px 10px;border-radius:4px;font-size:.76rem;font-weight:800;text-transform:uppercase}.card-status.is-ready{background:#e8f4f1;color:#17604d}.card-status.is-blocked,.card-status.is-error{background:#fff1f1;color:#992e2e}@media (min-width: 640px){.card-shell{padding:24px}}@media (min-width: 1024px){.card-shell{padding:30px}}.toolbar{display:flex;justify-content:flex-start;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}.notation-toggle{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.variable-selector-wrapper,.variable-names-wrapper{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.variable-selector-wrapper{font-size:.75rem}.toolbar button{display:inline-flex;align-items:center;gap:8px}@media (min-width: 640px){.toolbar{gap:10px;margin-bottom:15px}.notation-toggle{gap:10px}.variable-selector-wrapper{font-size:.9rem}.variable-names-wrapper{gap:8px}}.feature-tabs-section{display:flex;flex-direction:column;gap:14px}.feature-tabs-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}.feature-tabs-title{margin:0;color:#233044;font-size:1.25rem}.feature-tabs-summary{margin:6px 0 0;color:#58677c;font-size:.9rem;line-height:1.45}.feature-tabs{display:grid;grid-template-columns:1fr;gap:8px;border-bottom:1px solid #dfe5ec;padding-bottom:8px}.feature-tab{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-height:64px;padding:10px 12px;border:1px solid #d5dde7;border-radius:8px;background:#f8fafc;color:#26374d;cursor:pointer;text-align:left;transition:background-color .2s,border-color .2s,box-shadow .2s}.feature-tab:hover{background:#eef5fb;border-color:#b9c8d8}.feature-tab:disabled,.feature-tab.is-disabled{border-color:#d6dce4;background:#eef1f5;color:#8793a3;cursor:not-allowed;opacity:.7;box-shadow:none}.feature-tab:disabled:hover,.feature-tab.is-disabled:hover{border-color:#d6dce4;background:#eef1f5;color:#8793a3;box-shadow:none}.feature-tab.is-active{background:#e8f4f1;border-color:#55a995;box-shadow:inset 0 -3px #2f8b78}.feature-tab-label,.feature-tab span:not(.feature-tab-label):not(.feature-tab-status){font-size:.95rem;font-weight:700}.feature-tab-label{display:inline-flex;align-items:center;gap:8px}.feature-tab-status{display:inline-flex;align-items:center;min-height:20px;padding:2px 7px;border:1px solid #c7d0da;border-radius:999px;background:#e4e8ee;color:#657286;font-size:.68rem;font-weight:700;line-height:1;text-transform:uppercase}.feature-tab small{color:#5b6b7f;font-size:.78rem;line-height:1.35}.feature-tab.is-disabled small{color:#8793a3}.feature-tab-panel{min-height:360px}.tab-content-heading{margin-bottom:14px}.tab-content-heading h2{margin:0;color:#233044}.tab-content-heading p{margin:6px 0 0;color:#666;font-size:.9rem}.feature-empty-state{width:100%;box-sizing:border-box;padding:28px 16px;border:1px dashed #c9d2dc;border-radius:8px;background:#f8fafc;color:#5a6a7d;text-align:center}@media (min-width: 720px){.feature-tabs--2{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-tabs--3{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-tabs--4{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width: 1024px){.feature-tabs-title{font-size:1.4rem}}.input-split{display:grid;grid-template-columns:1fr;gap:12px;align-items:start;margin-top:12px;margin-bottom:12px}.input-panel-card{width:100%;box-sizing:border-box;overflow:hidden;padding:12px;border:1px solid #e1e1e1;border-radius:12px;background:#fff;box-shadow:0 4px 15px #0000000d}.input-panel-header{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:6px;margin-bottom:10px;text-align:center}.input-panel-header h2,.input-panel-header h3{margin:0;line-height:1.15;font-size:1.1rem}.input-panel-copy{margin:8px 0 0;color:#58677c;font-size:.9rem;line-height:1.45}.input-panel-center{display:flex;justify-content:center;align-items:flex-start;width:100%;max-width:100%;overflow:hidden;box-sizing:border-box}.input-panel-button-row,.kv-buttons,.truth-buttons{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap}.input-panel-button-row,.kv-buttons{margin:0}.truth-buttons{margin-top:8px}@media (min-width: 640px){.input-panel-card{padding:16px}.input-panel-header{gap:8px;margin-bottom:12px}.input-panel-header h2,.input-panel-header h3{font-size:1.3rem}.input-panel-button-row,.kv-buttons,.truth-buttons{gap:10px}}@media (min-width: 768px){.input-split{gap:14px;margin-top:16px;margin-bottom:16px}}@media (min-width: 1024px){.input-panel-card{padding:18px}}@media (min-width: 1100px){.input-split{grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;margin-bottom:18px}}.status-message,.about-feedback-note,.solver-review-note,.image-encrypt-message{display:inline-flex;align-items:center;justify-content:center;max-width:min(100%,560px);gap:8px;padding:10px 14px;border-radius:12px;font-size:.92rem;line-height:1.45;text-align:center}.status-message.is-success,.about-feedback-note.is-success,.solver-review-note.is-success,.solver-review-note.is-same,.image-encrypt-message.is-success{background:#edf9f0;color:#1f6b3a;border:1px solid #c8e8d2}.status-message.is-error,.about-feedback-note.is-error,.solver-review-note.is-error,.image-encrypt-message.is-error{background:#fff1f1;color:#992e2e;border:1px solid #f0c3c3}.status-message.is-loading,.status-message.is-neutral,.status-message.is-info,.solver-review-note.is-loading,.solver-review-note.is-different,.solver-review-note.is-skipped{background:#eef3ff;color:#2f4f8f;border:1px solid #d4ddf4}.status-message.is-warning{background:#fff7e8;color:#8a5a10;border:1px solid #f0d3a3}.about-feedback-note{margin-top:14px}.solver-review-note{max-width:min(100%,520px)}.image-encrypt-message{font-weight:700}.solver-message{margin:8px 0 0;color:#58677c}.solver-message-error{color:#b3261e;font-weight:700}.solver-message-ok{color:#17604d;font-weight:700}.status-spin,.about-feedback-spin,.solver-review-spin{animation:status-spin .9s linear infinite}@keyframes status-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.about-wrap{width:100%;display:flex;flex-direction:column;align-items:center;padding-bottom:0;font-family:sans-serif}.about-content{position:relative;overflow:hidden;padding:30px 20px}.about-hero{margin-bottom:20px;padding:24px;border:1px solid rgba(102,126,234,.2);border-radius:16px;background:linear-gradient(135deg,#f0f3ff99,#ebe6ff99)}.about-hero h2{margin:0;display:flex;align-items:center;gap:10px;color:#3f51b5;font-weight:700}.about-hero p{margin:8px 0 0;color:#4a4a4a;font-size:1.1rem;line-height:1.5}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.about-card{padding:20px;border:1px solid #eef2f5;border-radius:16px;background:#fff;box-shadow:0 4px 6px #00000005,0 1px 3px #0000000d;transition:transform .2s ease,box-shadow .2s ease}.about-card:hover{transform:translateY(-2px);box-shadow:0 8px 15px #0000000d}.about-card h3{display:flex;align-items:center;gap:8px;margin:0 0 12px;color:#2c3e50;font-size:1.2rem}.about-card ul{margin:0;padding-left:20px;color:#4a4a4a;line-height:1.6}.about-card li{margin-bottom:6px}.about-card p{margin:0;color:#4a4a4a;line-height:1.6}.about-card code{color:#3f51b5}.about-card-accent{border-color:#667eea4d;background:linear-gradient(145deg,#f0f3ff,#fff)}.about-linkbox{margin:12px 0;padding:12px 16px;overflow-x:auto;border:1px solid #e0e0e0;border-radius:12px;background:#f9f9f9;color:#3f51b5;font-family:monospace;font-size:.85rem}.about-linkbox a{display:flex;align-items:center;gap:6px}.about-footerline{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;padding:16px;border:1px solid #eee;border-radius:12px;background:#f8f9fa}.about-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid #e0e0e0;border-radius:999px;background:#fff;color:#333;font-size:14px;font-weight:500}.about-badge-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#3f51b5}.about-link-badge{text-decoration:none;transition:border-color .2s,box-shadow .2s,transform .2s}.about-link-badge:hover,.about-link-badge:focus-visible{border-color:#55a995;box-shadow:0 4px 14px #1c2e3a1f;outline:none;transform:translateY(-1px)}@media (max-width: 1100px){.about-grid{grid-template-columns:1fr}}.instructions-wrap{width:100%;display:flex;flex-direction:column;align-items:center;padding-bottom:0;font-family:sans-serif}.instructions-content{position:relative;overflow:hidden;padding:30px 20px}.instructions-hero{margin-bottom:20px;padding:24px;border:1px solid rgba(102,126,234,.2);border-radius:16px;background:linear-gradient(135deg,#f0f3ff99,#ebe6ff99);box-shadow:inset 0 0 10px #667eea0d}.instructions-hero h2{margin:0;display:flex;align-items:center;gap:10px;color:#3f51b5;font-weight:700}.instructions-hero p{margin:8px 0 0;color:#4a4a4a;font-size:1.1rem;line-height:1.5}.instructions-hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.instructions-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.instructions-card{padding:20px;border:1px solid #eef2f5;border-radius:16px;background:#fff;box-shadow:0 4px 6px #00000005,0 1px 3px #0000000d;transition:transform .2s ease,box-shadow .2s ease}.instructions-card:hover{transform:translateY(-2px);box-shadow:0 8px 15px #0000000d}.instructions-card h3{display:flex;align-items:center;gap:8px;margin:0 0 12px;color:#2c3e50;font-size:1.2rem}.instructions-card ul{margin:0;padding-left:20px;color:#4a4a4a;line-height:1.6}.instructions-card li{margin-bottom:6px}.instructions-card p{margin:0;color:#4a4a4a;line-height:1.6}.instructions-card code{color:#3f51b5}.instructions-card-accent{border-color:#667eea4d;background:linear-gradient(145deg,#f0f3ff,#fff)}.instructions-callout{margin-top:16px;padding:12px 16px;border:1px solid rgba(76,175,80,.2);border-radius:12px;background:#4caf500d;color:#2e7d32;font-size:.95rem}.instructions-note{margin-top:16px;padding:12px 16px;border:1px solid rgba(255,152,0,.2);border-radius:12px;background:#ff98000d;color:#ef6c00;font-size:.95rem}.instructions-linkbox{margin-top:16px;padding:12px 16px;overflow-x:auto;border:1px solid #e0e0e0;border-radius:12px;background:#f9f9f9;color:#555;font-family:monospace;font-size:.9rem}.instructions-footerline{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;padding:16px;border:1px solid #eee;border-radius:12px;background:#f8f9fa}.instructions-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid #e0e0e0;border-radius:999px;background:#fff;color:#333;font-size:14px;font-weight:500}.instructions-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#3f51b5}@media (max-width: 1100px){.instructions-grid{grid-template-columns:1fr}}.changelog-wrap{width:100%;display:flex;flex-direction:column;align-items:center;padding-bottom:0;font-family:sans-serif}.changelog-content{padding:30px 20px}.changelog-hero{margin-bottom:22px;padding:24px;border:1px solid rgba(85,169,149,.28);border-radius:12px;background:linear-gradient(135deg,#e8f4f1e6,#f8fafcf2)}.changelog-hero h2,.changelog-roadmap h2{margin:0;color:#233044}.changelog-hero h2{display:flex;align-items:center;gap:10px}.changelog-hero p{margin:8px 0 0;color:#435576;font-size:1.05rem;line-height:1.55}.changelog-hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.changelog-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #d5dde7;border-radius:999px;background:#fff;color:#26374d;font-size:.88rem;font-weight:700}.changelog-timeline{position:relative;display:flex;flex-direction:column;gap:14px}.changelog-timeline:before{content:"";position:absolute;top:12px;bottom:12px;left:18px;width:2px;background:#dbe5ef}.changelog-release{position:relative;display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px}.changelog-release-marker{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid #b8cddf;border-radius:50%;background:#fff;color:#2f8b78;box-shadow:0 4px 12px #141f2f14}.changelog-release-body{padding:18px;border:1px solid #e4eaf1;border-radius:8px;background:#fff;box-shadow:0 4px 12px #141f2f0a}.changelog-release-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.changelog-release-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.changelog-release-meta span{display:inline-flex;align-items:center;min-height:24px;padding:3px 9px;border-radius:999px;background:#eef5fb;color:#365575;font-size:.78rem;font-weight:700}.changelog-release-meta span:first-child{background:#e8f4f1;color:#226f61}.changelog-release-body h3{margin:0;color:#233044;font-size:1.15rem}.changelog-release-body ul{margin:12px 0 0;padding-left:20px;color:#4a5870;line-height:1.58}.changelog-release-body li{margin-bottom:5px}.changelog-roadmap{margin-top:24px;padding-top:22px;border-top:1px solid #e4eaf1}.changelog-roadmap-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}.changelog-note{padding:16px;border:1px solid #e4eaf1;border-radius:8px;background:#f8fafc}.changelog-note h3{display:flex;align-items:center;gap:8px;margin:0 0 8px;color:#233044;font-size:1rem}.changelog-note p{margin:0;color:#58677c;line-height:1.5}@media (min-width: 800px){.changelog-roadmap-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width: 520px){.changelog-content{padding:20px 14px}.changelog-hero{padding:18px}.changelog-release-body{padding:15px}}.title-box,.section.title-box{text-align:left;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none}.title-box h1{margin:0;font-size:1.75rem;color:#fff}.title-box p{margin:0;color:#fff;opacity:.85;font-size:.9rem;font-weight:300;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.title-box-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.title-box-copy{min-width:0}.title-box-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.title-about-btn{display:inline-flex;align-items:center;text-decoration:none}.title-nav-group{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid rgba(255,255,255,.24);border-radius:8px;background:#ffffff1f}.title-nav-button{min-height:34px;border:1px solid rgba(255,255,255,.22);border-radius:6px;background:#ffffff21;color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:7px 10px;font:inherit;font-size:.86rem;font-weight:700;line-height:1;text-decoration:none;white-space:nowrap;transition:background-color .18s ease,border-color .18s ease,transform .18s ease}.title-nav-button:hover,.title-nav-button:focus-visible{background:#ffffff38;border-color:#ffffff6b;color:#fff;outline:none}.title-nav-button:active{transform:translateY(1px)}.title-nav-button.is-active{background:#fff;border-color:#fff;color:#5b4bb0}.title-nav-button-back,.title-nav-button-tour{background:#ffffff2e}.title-nav-button-tour{border-color:#ffffff5c}@media (min-width: 640px){.title-box h1{font-size:2rem}.title-box p{font-size:1rem;max-width:70ch}.title-box-row{gap:18px}}@media (min-width: 1024px){.title-box h1{font-size:2.5rem}}@media (max-width: 760px){.title-box-row{align-items:flex-start}.title-box-actions{justify-content:flex-start;width:100%}.title-nav-button{min-width:36px;padding:8px 9px}.title-nav-group .title-nav-button span,.title-nav-button-tour span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}}*{box-sizing:border-box}body{margin:0;padding-top:12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#f4f7f6}#root{width:100%;max-width:1400px;margin:0 auto;padding:0 12px;box-sizing:border-box}.container{width:100%;box-sizing:border-box}button,input,select,textarea{font:inherit}@media (min-width: 640px){#root{padding:0 20px}body{padding-top:20px}}