body {
    background-color: #fff;
    font-family: sans-serif;
}

.wrap {
    position: relative;
    margin: auto;
    width: 1000px;
}

.ribbon {
    width: 900px;
    height: 60px;
    position: relative;
    margin: 100px auto 0px;
    background-color: #3d79d0;
}

.ribbon i {
    position: absolute;
}

i:first-child, i:nth-child(2) {
    z-index: -1;
    position: absolute;
    left: -20px;
    bottom: -20px;
    border: 20px solid transparent;
    border-right-color: #043140;
}
i:nth-child(2) {
    left: auto;
    right: -20px;
    border-right-color: transparent;
    border-left-color: #043140;
}
i:nth-child(3), i:last-child {
    z-index: -2;
    width: 20px;
    left: -60px;
    bottom: -20px;
    border: 30px solid #1d53c0;
    border-left-color: transparent;
}
i:last-child {
    left: auto;
    right: -60px;
    border: 30px solid #1d53c0;
    border-right-color: transparent;
}

.nav {
    position: relative;
    margin-left: 0px;
    margin-top: -50px;
    text-align: center;
}

.nav a {
    padding: 10px;
    width: 80px;
    display: inline-block;
    font-size: 16px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    color: #fff;
}

.nav a:hover {
    border-radius: 20px;
    background-color: #ed890e;
}