body {
    margin: 0;
}

.title-text {
    line-height: 20px;
    text-align: center;
}
.title-box {
    width: 1000px;
    margin: auto;
    margin-bottom: 10px;
}
.author-text {
    line-height: 15px; 
    text-align: center;
    display: inline-block;
    font-weight: bold;
}
.author-box {
    width: 1100px;
    margin: auto;
    display: flex;
    justify-content: space-around;
}
.organization-text {
    text-align: center;
    line-height: 10px;
    font-size: 14px;
    font-weight: bold;
}

.content {
    width: 1000px;
    margin: auto;
    margin-bottom: 10px;
}
.content-text {
    text-align: justify;
}

.download-container {
    width: 1000px;
    margin: auto;
    display: flex;
}
.download-item {
    flex: 1;
    text-align: center;
}