* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    color: #333;
    font-size: 14px;
}

a {
    text-decoration: none;
}

.card {
    background-color: #fff;
    border-radius: 5px;
    padding: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,.1);
}