style.css

body {  
    font-family: Arial, sans-serif;  
    background-color: #ffffff;  
    margin: 0;  
    padding: 0;  
    display: flex;  
    justify-content: center;  
    align-items: center;  
    height: 50vh;  
    width: 20vh;
}  
#bienvenue{
    font-size: 20px;
    color: #28a745;
}
.container {  
    background: rgb(255, 255, 255);  
    padding: 2rem;  
    border-radius:5px;  
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);  
}  

h1 {  
    text-align: center;  
    color: #19722e;
}  

input[type="text"] {  
    width: 70%;  
    padding: 10px;  
    border: 1px solid #ccc;  
    border-radius: 10px; 
    background-color: rgb(0, 0, 0);
    color: #ffffff;
}  

button {  
    padding: 10px;  
    margin-left: 10px;  
    background-color: #28a745;  
    color: white;  
    border: none;  
    border-radius: 5px;  
    cursor: pointer;  
}  

button:hover {  
    background-color: #218838;  
}  

ul {  
    list-style: none;  
    padding: 0;  
}  

li {  
    display: flex;  
    justify-content: space-between;  
    align-items: center;  
    padding: 10px;  
    border-bottom: 1px solid #ccc;  
}  

li button {  
    background-color: #dc3545;  
}