body {
    /*position: absolute;*/
    background-color: white;
    /*width: 900px;*/
    font-family: Helvetica, sans-serif;
    /*font-family: 'Times New Roman', serif;*/
}
div.main-box {
    /*background-color: lightblue;*/
    margin-left: auto;
    margin-right: auto;
    width: 790px;
    /*height: 800px;*/
}
div.main-box#front {
    height: 800px;
}
div.main-box#about {
    height: 900px;
}
div.pre-title {
    font-size: 20px;
    color: #1c2d6d;
    position: absolute;
    /*background-color: gray;*/
    margin-left: 160px;
    width: 470px;
    top: 30px;
}
span.pre-title {

}
div.title {
    /*color: #1c2d6d;*/
    position: absolute;
    width: 790px;
    height: 100px;
    margin-left: auto;
    margin-right: auto;
    top: 50px;
    /*background-color: gray;*/
    text-align: center;
    /*margin-bottom: 10px;*/
    padding-top: 10px;
}
span.title {
    font-size: 60pt;
}
div.post-title {
    position: absolute;
    /*background-color: gray;*/
    color: #1c2d6d;
    margin-left: 160px;
    width: 470px;
    top: 140px;
    text-align: right;
    font-size: 20px;
}
div.sakurajima {
    position: absolute;
    /*background-color: gray;*/
    width: 790px;
    text-align: center;
    top-margin: 10px;
}
div.grid {
    /*background-color: yellow;*/
    position: absolute;
    /*margin-left: auto;
    margin-right: auto;*/
    width: 790px;
    height: 450px;
    padding: 0px;
    top: 200px;
}
img.grid {
    display: block;
    position: absolute;
    padding: 0px;
}
img#img1 {
    /*margin-left: 150px;*/
    top: 50px;
    left: 160px;
}
img#img2 {
    /*margin-left: 150px;*/
    top: 0px;
    left: 480px;
}
img#img3 {
    /*margin-top: 150px;*/
    top: 125px;
}
img#img4 {
    top: 150px;
    left: 320px;
}
img#img5 {
    top: 175px;
    left: 640px;
}
img#img6 {
    top: 300px;
    left: 160px;
}
img#img7 {
    top: 250px;
    left: 480px;
}
div.text {
    color: #1c2d6d;
    background-color: #d3d3d3; /*light gray*/
    position: absolute;
    padding: 10px;
    width: 580px;
    /*top: 660px;*/
    margin-left: 95px;
    border-style: dashed;
    border-width: 1px;
    /*border-color: black;*/
}
div.text#front {
    top: 660px;
}
div.text#about {
    top: 550px;
}
div.menu {
    background-color: #1c2d6d;
    color: white;
    position: fixed;
    top: 20%;
    left: 0px;
    padding: 10px;
    font-size: 20px;
    font-weight: bold;
}
a:link {
    color: white;
}
a:visited {
    color: gray;
}
span.copyright {
    font-size: 12px;
}