styles.css

*, *:after, *:before {box-sizing: border-box;}

body {
    overflow-y: scroll;
    overflow-x: hidden;
    /* position: fixed; */
    width: 100vw;
    margin: 0;
}

a:link { color:black; }
a:visited { color:black; }

.header {
    width: 100%;
    height: 60px;
    background-color: white;
}

.header .header_logo {
    margin: 10px;
    height: 40px;

}



.title_container {
    width: 100%;
    margin: 40px 0 10px 0;
    padding: 10px;
}

.title_container .title_box {
    width: 100%;
    text-align: center;
}

.content_container {
    width: 100%;
    margin: 10px 0 10px 0;
    padding: 10px;
}


.content_container .content_box {
    width: 100%;
    text-align: center;
}

.content_image {
    height: 460px;
    margin: 0 auto;
}

.download_button_container {
    width: 100%;
    margin: 10px 0 10px 0;
    padding: 10px;
}

.download_button_container .download_button_apple {
    width: 100%;
    height: 40px;
    text-align: center;
}

.download_button_container .download_button_google {
    width: 100%;
    height: 60px;
    text-align: center;
}


.footer {
    width: 100%;
    height: 115px;
    background-color: white;
    padding-top: 20px;
}

.footer .footer_desc {
    width: 100%;
    height: 24px;
    margin: 10px 0 10px 0;
    display: flex;
    justify-content: center;
    align-items: center; 
}

.footer .footer_sub_desc {
    width: 100%;
    height: 20px;
    text-align: center;
    margin: 20px 0 20px 0;
}