.section1 {
    margin: 60px 0px;
}

.boxContentSection1 span {
    font-size: 20px;
    font-weight: 600;
    color: #2f679a;
}

.boxContentSection1 h3 {
    color: grey;
    margin: 0px 0px 8px 0px;
    font-size: 30px;
    font-weight: 700;
}

.lines {
    position: relative;
    background: #2A7B9B;
    width: 100px;
    padding-bottom: 4px;
    /* để chừa chỗ cho viền */
}

.line::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 100%;
    background: linear-gradient(90deg, rgba(42, 123, 155, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(237, 221, 83, 1) 100%);
}


.boxText {
    text-align: center;
    margin: 40px 0px;
}

.boxText h1,
.section3s h1 {
    text-transform: uppercase;
    font-size: 30px;
    font-weight: 700;
    color: grey;
}

.boxText span,
.section3 span {
    color: #2f679a;
}

.boxText p {
    font-size: 14px;
}

/* section 2 */

.section2 {
    background-color: #f5f5f5;
    padding: 30px 0px;
}

/* section 3 */

.section3s {
    margin: 60px 0px;
}

.section3s h1 {
    text-align: center;
    margin-bottom: 10px;
}

.boxSuMenh {
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 2px 2px 5px 2px rgba(171, 168, 168, 0.3);
    border-radius: 10px;
    padding: 20px;
    transition: 0.3s ease-in-out;
    cursor: pointer;
}

.boxSuMenh:hover {
    transform: translateY(-10px);
    transition: 0.3s ease-in-out;
}

.boxImage svg {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
    color: rgb(215, 210, 210);
}

.contentSection3 {
    text-align: center;
}

.contentSection3 h5 {
    font-size: 18px;
    color: #008cff;
}

.contentSection3 p {
    margin: 0;
}

@media (max-width: 576px) {
    .section1 {
        margin: 40px 0px;
    }
}

.modal {
    z-index: 9999;
}

.active {
    color: #2174d3 !important;
}

/* section 4 */
.section4{
    background-image:  url("../assets/bggioithieu.jpg");
    background-size: cover;
    padding: 70px 0px;
}
.center-section4 {
    text-align: center;
}
.center-section4 h1 {
    font-size: 30px;
    text-transform: uppercase;
    font-weight: 700;
    color: #2f679a;
}
.content-title {
    display: flex;
    align-items: center;
}
.content-title img{
    /* font-size: 50px; */
    margin-right: 30px;
}
.content-title h5{
    font-size: 20px;
    text-transform: uppercase;
    font-weight: 700;
    color: #008cff;
}
.content-body{
    margin-top: 10px;
    font-size: 18px;
    color: #696666;
}
.box-sec4{
    padding: 40px 40px 10px 0px;
}