.stack { }

.stack-item {
    border: 1px solid #000;
    background-color: #FFF;
    width: 350px;
    height: 280px;
    padding: 0;
    margin: 0;    
}

.stack-index {
    float: right;
    font-weight: bold;
    padding: 5px 5px 0 0;
}

form { padding: 1.5rem; }