style {
    font-family: Arial, Helvetica, sans-serif;
    background-color: bisque;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: 30px;
    background-color: aliceblue;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: black;
}

.data-section {
    text-align: center;
    margin-bottom: 20px;
    font-size: 16px;
}

.data-section input{
    padding: 5px;
    font-size: 16px;
    width: 250px;
    border: none;
    font-size: 16px;
    background-color: green;
    color: white;
    cursor: pointer;
}
.input-section{
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.input-section input{
    padding: 10px;
    font-size: 16px;
    width: 250px;
    border: 1px solid #ccc;
    border-radius:5px ;
}
.input-section button{
    margin-left: 10px;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
}
.input-section button:hover{
    background: #4CAF50;
}
table{
    width: 100%;
    border-collapse:collapse ;
    margin-top: 15px;
}
table th,table td{
    border:1px solid #ddd;
    padding: 12px;
    text-align: center;
}
table th{
    background-color: #4CAF50;
    color: white;
}
.absent{
    color: red;
    font-weight: bold;
}
.present{
    color: green;
    font-weight: bold;
}
.status-btn{
    padding: 5px 10px;
    border: none;
    margin: 2px;
    cursor: pointer;
    border-radius: 5px;
}
.present-btn{
    background-color: #4CAF50;
    color: white;
}
.absent-btn{
    background-color: red;
    color: white;
}