/* padding: top&bottom(px) left&right(px); */
.container {
    width: 90%;
    max-width: 1200px; /* for larger screens */
    margin: 0 auto; /* centering */
    padding: 0 20px;
}

/* top and bottom padding */
.section {
    padding: 100px 0;
}

.section__title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    position: relative;
    color: #333;
}

/* 
Makes a decorative line below the title
Positioned at the bottom of the section title centered horizontally
*/
.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #6c63ff; /* purple color */
    border-radius: 2px; /* rounded corners */
}