body {
    font-family: system-ui;
    color: white;
}

ul.nav {
    position: relative;
    overflow: hidden;
    width: auto;
    max-width: 900px;
    margin: 0 auto;
    padding: 12px;
    list-style-type: none;
}

ul.nav li {
    float: right;
}

ul.nav li a {
    display: block;
    color: #7f7f7f;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-weight: bold;
}

ul.nav li a.dashboard {
    color: white;
    background-color: #159957;
    border-radius: 12px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}
ul.nav li a.dashboard:hover {
    background-color: #333333;
}

ul.nav li a:hover:not(.active):not(.dashboard) {
    color: #159957;
}

ul.nav li a.active {
    color: #159957;
}

@media screen and (max-width: 600px) {
    ul.nav li.right,
    ul.nav li {
        float: none;
    }
}

.header-card {
    background: linear-gradient(to top, #159957, #155799);
    padding: 32px;
    border-radius: 15px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

.header-card p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 3em;
    text-align: center;
}

.header-card p.subtitle {
    padding: 8px;
    font-size: 1em;
    text-align: left;
}

.header-card a {
    color: #159957;
    background-color: white;
    padding: 14px 16px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 12px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 7%;
}

.subtitle {
    padding-top: 20px;
}

em {
    font-weight: bold;
}