.title_main {
    margin-bottom: 50px;
    text-align: center;
		margin-top:30px;
}

.title-main .heading {
    font-size: 250%;
    font-weight: bold;
		color:black;
    display: inline-block;
    position: relative;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-blue);
}

.title-main .heading::before {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 50%;
    width: 20px;
    height: 20px;
    transform: translate(0px, -50%) rotate(45deg);
    background: var(--color-blue);
}