.container max-width: 900px; margin: 0 auto; background: white; border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); overflow: hidden;
const isDisposable = disposableDomains.includes(domain.toLowerCase()); email checker website semrush
<div class="checks-grid" id="checksGrid"></div> .container max-width: 900px
.score font-size: 3rem; font-weight: bold; color: #667eea; margin: 0 auto
.loading.show display: block;
button:hover transform: translateY(-2px);
.check-message margin-top: 10px; font-size: 0.9rem; color: #666;