body{
    margin: 0;
}
header{
    background-color: #A8C62E;
    height: 40px;
}
header .header-area{
    width: 1000px;
    height: ;
    margin: 0 auto;
    display: flex;
    color: #ffffff;
}
header .header-area img{
    max-height: 40px;
}
header .header-area h1{
    font-size: 1.3em;
    margin: 0.2em;
}
main{
    background-color: #F8F2E8;
    padding-top: 100px;
    padding-bottom: 100px;
}
.img{
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}
.img img{
    max-width: 500px;
    margin-bottom: 20px;
}
@media(max-width:1000px){
    .img img{
        margin: 0 auto;
        width: 80%;
        max-width: none;
    }
}