* {
    --black: #2c2e35;
    --white: #fff;
    --blue: #2f2c72;
    --green: #9ac222;
    --red: #ff0000;
    --gray: #eff0f3;

    --card: #f6f6f6;

    margin: 0;
    padding: 0;
    box-sizing: border-box;

    font-family: "Verdana", serif;
}


/* Page */
body {
    margin: 0;
    overflow-x: hidden;
    min-height: 100vh;
    background: #fdfdfd;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

header {
    height: 70px;
    width: 100%;
    background: #fff;
    display: flex;
    align-items: center;
    padding: 0 15px;
}
header .logo img {
    height: 50px;
}

/* Card */
.card {
    border: none;
    box-shadow: 0 0 10px #dfdfdf;
    padding: 0;
    max-width: 500px;
    margin: 150px auto 0 auto;
}
.card .card-header {
    padding: 1.25rem 1.75rem;
}
.card .card-header img {
    height: 50px;
    margin-right: 15px;
}
.card .card-body {
    padding: 1.25rem 1.75rem;
}
.card .card-body .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem 0 0 auto;
}

.expired td {
    color: rgba(0, 0, 0, 0.4);
}

.shadow-box {
    position: fixed;
    top: 50%;
    left: 50%;

    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);

    background-color: rgba(0, 0, 0, 0.5);
}

@media (max-width: 576px) {
    .container {
        padding: 30px;
    }

    .card {
        margin-top: 0 !important;
        max-width: 100%;
    }
}