* {
    margin: 0;
    padding: 0;
}

html, body {
    height: 130%;
}

#about-all {
    margin: 0 auto;
    width: 75%;
    margin-top: 50px;
}

h1 {
    text-align: center;
}

p, span {
    font-size: 20px;
}

#about-all {
    height: auto;
    padding-bottom: 50px;
}

#about-img {
    display: block;
    height: 300px;
    float: left;
    margin-right: 50px;
    margin-bottom: 40px;
}

#service {
    margin-top: 120px;
}

#service h1 {
    display: block;
    padding-bottom: 20px;
}

#service1 {
    float: left;
    width: 20%;
    margin-left: 20%;
}

#service2 {
    float: right;
    width: 20%;
    margin-right: 20%;
}

@media only screen and (max-width: 1000px) {
    html, body {
        height: 160%;
    }
    
    #about-img {
        float: none;
        margin: 0 auto;
        margin-bottom: 15px;
    }

    #service {
        margin-top: 0px;
    }

    #service1 {
        float: none;
        width: 40%;
        margin: 0 auto;
    }

    #service2 {
        float: none;
        width: 40%;
        margin: 0 auto;
    }
}