.input-group{
    padding-bottom: 10px;
  }
    
.text-3d {
    font-size: 3em;
    font-weight: bold;
    color: #fff;
    text-shadow: 2px 2px 0 #000, 
                 4px 4px 0 #000,
                 6px 6px 0 #000, 
                 8px 8px 0 #000;
    text-align: center;
    padding-bottom: 20px;
    padding-top: 2px;
    color: blue;   
}
.text-3d:hover {
    color: #000;
    text-shadow: 3px 3px 0 #888, 
                 6px 6px 0 #666; 
                 
}
       
.textbox {
    padding: 10px;
    border: none;
    border-radius: 5px;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.2);
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

.textbox:focus {
    box-shadow: 3px 3px 15px rgba(0, 0, 0, 0.4);
}

.button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #0056b3;
    box-shadow: 3px 3px 15px rgba(0, 0, 0, 0.4);
}