h1 {
    color: red;
}

h2 {
    width: 100%;
    margin: 0;
    padding: 0;
    text-align: center;
}
/* h2:after {
    display: inline-block;
    margin: 0 0 8px 20px;
    height: 3px;
    content: " ";
    text-shadow: none;
    background-color: red;
    width: 140px;
}
h2:before {
    display: inline-block;
    margin: 0 20px 8px 0;
    height: 3px;
    content: " ";
    text-shadow: none;
    background-color: red;
    width: 140px;
} */

h2 {
    /* background-color: #eee; */
    padding         : 0.5em;
    color: red;
}

h3 {
    display:inline;
    border-bottom:4px solid rgba(255, 0, 0, 0.3);
}
h2::after {
    content:"";
    display:block;
    border-top:5px solid rgba(255, 0, 0, 0.3);
    /* margin-top:2px; */
}