body{

margin:0;

padding:0;

background:#f3f4f6;

font-family:
Arial,sans-serif;

display:flex;

justify-content:center;

align-items:center;

min-height:100vh;

}

.certificate-container{

width:100%;

display:flex;

justify-content:center;

padding:20px;

}

.certificate{

background:white;

max-width:900px;

width:100%;

padding:60px;

text-align:center;

border:12px solid #2563eb;

border-radius:20px;

box-shadow:
0 10px 30px rgba(0,0,0,.1);

}

.certificate h1{

font-size:48px;

color:#2563eb;

}

.certificate h2{

margin-top:20px;

font-size:32px;

}

.certificate h3{

font-size:40px;

color:#111827;

margin:30px 0;

}

.certificate p{

font-size:20px;

line-height:1.8;

}

.stars{

font-size:40px;

margin:30px 0;

}

#printBtn{

margin-top:30px;

padding:14px 30px;

background:#2563eb;

color:white;

border:none;

border-radius:12px;

font-size:16px;

font-weight:600;

cursor:pointer;

}

#printBtn:hover{

opacity:.9;

}

@media(max-width:768px){

.certificate{

padding:30px;

}

.certificate h1{

font-size:34px;

}

.certificate h2{

font-size:24px;

}

.certificate h3{

font-size:28px;

}

}