@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@500;700;800&display=swap');

* {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
}

.center-card {
    position: absolute;
    transform: translate(calc(50vw - 50% - 6px), calc(50vh - 50% - 36px));
    border-radius: 15px;
    padding: 20px;
    max-width: 450px;
    margin: 6px;
    text-align: center;
}

.footer {
    position: absolute;
    bottom: 0;
    margin-bottom: 16px;
    padding: 0 16px;
    width: calc(100% - 32px);
    text-align: center;
    color: #565656;
    overflow: hidden;
    font-size: small;
}

.btn {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    color: #363636;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    user-select: none;
    border: 1px solid #363636;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.25rem;
    background: transparent;

    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.btn:focus {
    box-shadow: 0 0 0 0.25rem rgba(54, 54, 54, 0.5);
    border-color: transparent;
}

.btn:active {
    background: rgba(54, 54, 54, 0.1);
}

a {
    text-decoration: none;
    border-bottom: 0 solid transparent;
    color: #800303;
    position: relative;
}

a:after {
    position: absolute;
    content: '';
    height: 1px;
    bottom: 0;
    margin: 0 auto;
    left: 0;
    right: 0;
    width: 100%;
    background-color: transparent;
    transition: background-color ease 0.5s;
}

a:hover:after {
    background-color: #800303;
}

.app-logo {
    border-radius: 12px;
    box-shadow: 0 0 20px #ccc;
}
.platform-selector {
    margin-left: 0.5rem;
    padding: 0.375rem 0.5rem;
    border: 1px solid #363636;
    border-radius: 0.25rem;
    background: #fff;
    color: #363636;
    font-size: 1rem;
}