body {
    box-sizing: border-box;
    width: 100vw;
    height: 100vh;
    margin: 0;
    padding: 0;
    
}
#osd-container {
    height: 100vh;
    border: 5px solid darkblue;
    box-sizing: border-box;
}    

.card {
    position: absolute;
    background-color: rgba(255, 192, 203, 0.6);
    transition: background-color 0.4s linear;
}
.card:hover {
    background-color:rgba(0, 128, 0, 0.4);
}

.card-link {
    font-family: sans-serif;
    font-size: 8px;
    width: 90px;
    padding: 5px;
    background-color: darkblue;
    color: white;
    cursor: pointer;
}

/* #card2-3 {
    outline: 2px solid black;
} */