/* Forbid right slide of the sreen start */
body {
    overflow-x: hidden;
}
/* Forbid right slide of the sreen end */
nav{
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: 60px;
    background-image:url("../images/GreenColorBoard.png");
    background-size: 100% auto;
    padding-left: 45px;
    padding-top: 20px;
    font-size: 32px;
    font-weight: 900;
}
.module{
    display: flex;
}
.card {
    border: 1px solid #ccc;
    margin: 20px;
    padding: 10px;
    width: 300px;
    background-color: #f9f9f9;
} 
.card-header {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
} 
iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
}