* {

    margin: 0;

    padding: 0;

    box-sizing : border-box; 

    font-family: Arial, sans-serif;

    overflow: hidden;

}



body {

    background-color: #f4f4f4;

    height: 100vh;

}

.container {

    /*display: flex;*/

    overflow-y:auto;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    background: #fff;

    width : 90%;

    height : 90%;

    margin-top : 5vh;

    margin-left:5vw;

    padding: 30px;

    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);

    border-radius: 10px;

    text-align: center;

}



h1, h2, h3 {

    color: #222; 

    margin-bottom: 25px;

}



a {

    color: #007BFF;

    font-weight: 600;

    text-decoration: underline;

    cursor: pointer;

}



a:hover {

    color: #004b9b;

}



.button {

    display: inline-block;

    background: #007BFF;

    color: white;

    padding: 12px 24px;

    border-radius: 8px;

    text-align: center;

    font-size: 16px;

    font-weight: bold;

    transition: background 0.3s, transform 0.2s;

    cursor: pointer;

}



.button:hover {

    background: #0056b3;

    transform: scale(1.05);

}



.button:active {

    transform: scale(0.95);

}



.button a {

    color: white;

    font-weight: 600;

    text-decoration: none;

}



.config{

    padding-top: 25px;

}