body{ 
    background: linear-gradient(135deg,#667eea,#764ba2);
     justify-content:center;
      align-items:center; 
} 
.container{ margin-left: 30%;
    align-self: center;
    background:white;
     padding:30px; 
     margin-top: 20px;
     border-radius:15px;
      width:350px;
       box-shadow:0 10px 25px rgba(0,0,0,0.2);
     }
h2{ 
    text-align:center; 
    margin-bottom:20px; } 
textarea{
    height: 50px;
}
input, textarea{ 
    width:100%; 
    padding:10px;
     margin:8px 0;
      border-radius:8px;
       border:1px solid #ccc;
        outline:none;
         transition:0.3s;
}
input:focus, textarea:focus{ border-color:#667eea; }
button{ width:100%; 
    padding:12px;
     border:none;
      border-radius:8px;
       background:#667eea;
        color:white;
         font-size:16px;
          cursor:pointer; 
          transition:0.3s; 
        } 
button:hover{ background:#5a67d8; } 
.success{ 
    color:green;
     text-align:center;
      display:none;
     }