div.sub-bg{
    height: 350px;
    background-image: url(/assets/images/info-bg.png);
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    filter: grayscale(0.5);
}

.wrap{
    max-width: 1500px;
    padding: 15px;
    margin: 0 auto;
    position: relative;
    padding-top: 55px;
}

.intro{
    font-size: 4rem;
    font-weight: 600;
    text-align: center;
    color: #333;
}

.addition{
    margin-top: 30px;
    font-size: 18px;
    font-weight: 400;
    color: #555;
    text-align: center;
    line-height: 1.5;
}


.secition{
    width: 5px;
    height: 65px;
    background-color: #000;
    border:1px solid #000;
    margin: 4rem auto;
}

div.about{
    margin: 40px auto 80px;
    max-width: 1000px;
    display: flex;
}

div.box{
    width: 100%;
}

div.text-box a.btn{
    min-width: 160px;
    padding: 15px;
    font-size: 14px;
    border-radius: 30px;
}

h1.title{
    font-weight: bold;
    font-size: 3rem;
    color: #000;
}

p.text{
    font-size: 1rem;
    font-weight: 400;
    color: #555;
    margin-bottom: 30px;
}


/*  Medium devices (tablets, 768px and up) */
@media (max-width: 768px) {

    .intro{
        font-size: 3rem;
    }

    div.about {
        flex-wrap: wrap;
    }

    h1.title{
        margin-bottom: 15px;
    }
}