.header {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: #416570;
    height: 80px;
    color: #56C1CC;
    font-family: 'Andika', sans-serif;
}
.header-nav {
    display: flex;
    font-size:1.5em;

}
.header-logo {
    font-size: 2em;
}
.header-coshial {
    display: flex;
}

.billboard {
    display: flex;
    justify-content: center;
    align-items: center;
    background: url("pic/billboard.jpg") no-repeat center center;
    height: 350px;
    background-size: cover;
}
.billboard-text {
    font-family: 'Andika', sans-serif;
    color: #353434;
    font-size: 2em;
    background: rgba(255, 255, 255, 0.65);
    padding: 10px;
    margin-top: 200px;
}
.name {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #C7EEE8;
    height: 80px;
    color: #416570;
    font-family: 'Andika', sans-serif;
    font-size: 1.2em;
    font-weight: 800;
}

.paper {
    background: #ffffff;
}
.paper-item {
    display: flex;
    justify-content: center;
}
.paper-item-text {
    max-width: 600px;
    padding-left: 20px;
    padding-top: 20px;
    padding-bottom: 20px;
    text-align: justify;
    border-left: 5px solid #416570;
}
.paper-item-img {
    padding: 20px;

}
.paper-item-text p {
      line-height:1.5;
      margin-top:10px;
}
.paper-item-text h1 {
    line-height:1.5;
    font-size: 1.1em;
    font-family: 'Andika', sans-serif;
}

.gallery{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top:20px;
    margin-bottom:20px;
}

.gallery-img {
    width: 200px;
    margin-left: 5px;
    margin-top: 5px;

}

.footer {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #416570;
    height: 100px;
    font-family: 'Andika', sans-serif;
    font-size: 1em;
}