.header {
    margin: auto;
    width: 800px;
    height: 30px;
    max-width: 100%;
    padding-top: 20px;
    background-color: darkred;
}

h1 {
    max-width: 100%;
    width: 200px;
    text-align: center;
    margin: auto;
    float: left;
    padding-left: 5%;
}

h1 >  img {
    width: auto
    
}

.flex {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    width: 30px;
    margin: auto;

}

.flex > div {
    width: 70px;
    height: auto;
    text-align: center;
    background-color: skyblue;
    margin: 10px;
    padding: 5px;
}

.clearfix {
    overflow: ;
}

body {
    width: 700px;
    margin: 10px auto;
}

.main {
    width: 800px;
    height: 600px;
    padding: 40px;
    text-align: center;
    max-width: auto;
    margin: 20px auto;
    border: 1px black solid;
    
}

footer {


}

iframe {
    width: 800px;
    height: 550px;
}