body {
    margin: 0;
    padding: 0;
    background: #f3f5f7;
    color: #263238;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

.wrapper {
    width: 90%;
    max-width: 1050px;
    margin: 0 auto;
}

.header {
    background: #172b4d;
    color: #ffffff;
    padding: 34px 0 28px 0;
}

.header h1 {
    margin: 0;
    font-size: 38px;
    letter-spacing: 1px;
}

.header p {
    margin: 4px 0 0 0;
    font-size: 17px;
}

.nav {
    background: #ffffff;
    border-bottom: 1px solid #d6dce2;
}

.nav ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

.nav li {
    display: inline;
}

.nav a {
    display: inline-block;
    padding: 14px 17px;
    color: #172b4d;
    text-decoration: none;
    font-weight: bold;
}

.nav a:hover,
.nav a:focus {
    background: #e8edf3;
}

.content {
    padding: 32px 0;
}

.card {
    background: #ffffff;
    border: 1px solid #d6dce2;
    border-radius: 6px;
    padding: 26px;
    margin-bottom: 22px;
}

.card h2 {
    color: #172b4d;
    margin-top: 0;
    border-bottom: 2px solid #e4e8ed;
    padding-bottom: 8px;
}

.card h3 {
    color: #172b4d;
    margin-bottom: 5px;
}

.intro {
    background: #e8edf3;
    border-left: 5px solid #172b4d;
    padding: 20px;
}

.button {
    display: inline-block;
    background: #172b4d;
    color: #ffffff;
    padding: 9px 15px;
    margin: 6px 5px 6px 0;
    border-radius: 4px;
    text-decoration: none;
}

.button:hover,
.button:focus {
    background: #29456f;
}

.grid {
    width: 100%;
}

.grid td {
    width: 50%;
    vertical-align: top;
    padding: 10px 18px 10px 0;
}

.skill-list {
    margin: 0;
    padding-left: 20px;
}

.project {
    border-left: 3px solid #172b4d;
    padding-left: 18px;
    margin-bottom: 28px;
}

.project p {
    margin: 5px 0;
}

.project ul {
    margin-top: 8px;
}

.meta {
    color: #5d6873;
    font-style: italic;
}

.achievement {
    margin-bottom: 14px;
}

.footer {
    background: #172b4d;
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
}

.footer a {
    color: #ffffff;
}

.validation {
    margin-top: 20px;
}

.validation img {
    border: 0;
    width: 88px;
    height: 31px;
}

table.data {
    width: 100%;
    border-collapse: collapse;
}

table.data th,
table.data td {
    border: 1px solid #cbd2d9;
    padding: 10px;
    text-align: left;
}

table.data th {
    background: #e8edf3;
}

@media screen and (max-width: 700px) {
    .nav li {
        display: block;
    }

    .nav a {
        display: block;
        border-bottom: 1px solid #edf0f3;
    }

    .grid,
    .grid tbody,
    .grid tr,
    .grid td {
        display: block;
        width: auto;
    }

    .header h1 {
        font-size: 30px;
    }
}