h3 {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 calc(50% - 50vw) 24px;
    margin-top: 65px;
}

h3::before,
h3::after {
    content: "";
    width: 30%;
    height: 8px;
    background-image: repeating-linear-gradient(-45deg, #777 0, #777 1px, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 50%);
    background-size: 8px 8px;
}

h3::before {
    margin-right: 30px;
}

h3::after {
    margin-left: 30px;
}
body {
    background-color: black;
    color: white;
}