nav {
    overflow: hidden;
    height: 40px;
    font-size: 17px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.44);
    background-color: rgba(50, 58, 74, 0.19);
}

nav a {
    float: left;
    color: white;
    text-decoration: none;
    padding: 7px 0 10px 50px;
    background-color: #0070f2;
    position: relative;
    display: block;
    display: block;
    height: 40px;
    text-transform: capitalize;
}

nav a:first-of-type{
    padding-left: 24px;
}


nav a::after {
    content: " ";
    display: block;
    width: 0;
    height: 0;
    border-top: 50px solid transparent; /* Go big on the size, and let overflow hide */
    border-bottom: 50px solid transparent;
    border-left: 30px solid #0070f2;
    position: absolute;
    top: 50%;
    margin-top: -50px;
    left: 100%;
    z-index: 2;
}

nav a::before {
    content: " ";
    display: block;
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-bottom: 50px solid transparent;
    border-left: 30px solid white;
    position: absolute;
    top: 50%;
    margin-top: -50px;
    margin-left: 1px;
    left: 100%;
    z-index: 1;
}

nav a:hover{
    background-color: #1a80f3;
}

nav a:hover::after{
    border-left-color: #1a80f3;
}