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, 0.3);
    transition: background-color 0.4s linear;
}
/* .card:hover {
    background-color:rgba(0, 128, 0, 0.4);
} */

.card-link {
    font-family: sans-serif;
    font-size: 16px;
    width: 90%;
    padding: 5%;
    background-color: darkblue;
    color: white;
    cursor: pointer;
    transition: background-color 0.1s linear;
}
.card-link:hover {
    background-color: darkmagenta;
}