body {
    background-color: #6ad7e6;
    padding-top: 15px;
    color: #050b4e;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 763px;
    height: 206px;
}

nav {
    margin-top: 10px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
}

a {
    color: #0066cc;
}

a:hover {
    color: #192ef7;
}

#topdiv {
    display: flex;
    position: relative;
    top: 60px;
    justify-content: center;
}

#subdiv {
    position: absolute;
    background-color: #a9eff9;
    max-width: 763px;
    line-height: 24px;
    padding-left: 50px;
    padding-right: 50px;
    padding-top: 30px;
    border-width: 2px;
    border-color: #2ebac9;
    border-style: solid;
    border-radius: 10px;
}

#headerdiv {
    text-align: center;
}

h1 {
    font-size: 24px;
}

#subdiv p {
    margin-bottom: 20px;
    text-align: justify;
}

#subdiv a {
    color: #050b4e;
    font-weight: bold;
}

#subdiv a:hover {
    color: #192ef7;
}

#facebooklink {
    font-weight: bold;
}

#facebooklink a{
    color: #0066cc;;
}

#eetuname {
    font-size: 12px;
}

@media screen and (max-width:1600px) {
    h1 {
        font-size: 17px;
        font-weight: bold;
    }

    img {
        width: 650px;
        height: auto;
    }
    
    #topdiv {
        top: 40px;
    }
    
    #subdiv {
        padding: 10px;
    }
    
    #facebooklink {
        font-size: 16px;
    }
}

@media screen and (max-width:1000px) {
    img {
        width: 600px;
        height: auto;
    }
    
    #topdiv {
        font-size: 14px;
    }
    
    nav {
        font-size: 14px;
    }
}

@media screen and (max-width:800px) {
    img {
        width: 400px;
        height: auto;
    }
}

@media screen and (max-width:750px) {
    #topdiv {
        top: 40px;
    }
}

@media screen and (max-width:600px) {
    img {
        width: 250px;
        height: auto;
    }
    
    #topdiv {
        top: 30px;
    }
    
    #facebooklink {
        font-size: 14px;
    }
    
    #eetuname {
        font-size: 10px;
    }
}

@media screen and (max-width:550px) {
    img {
        width: 250px;
        height: auto;
    }
    
    h1 {
        font-size: 16px;
        font-weight: bold;
    }
    
    #topdiv {
        top: 25px;
        padding-bottom: 5px;
    }
    
    #facebooklink {
        font-size: 14px;
    }
    
    #eetuname {
        font-size: 10px;
    }
}

@media screen and (max-width:500px) {
    img {
        width: 200px;
        height: auto;
    }
    
    #topdiv {
        top: 15px;
        font-size: 12px;
    }
}

@media screen and (max-width:475px) {
    img {
        width: 150px;
        height: auto;
    }
    
    #topdiv {
        top: 12px;
        font-size: 12px;
    }
}

@media screen and (max-width:425px) {
    img {
        width: 150px;
        height: auto;
    }
    
    #topdiv {
        font-size: 14px;
    }
    
    #subdiv p {
        margin-bottom: 10px;
    }
    
    #facebooklink a{
        font-size: 12px;
    }
}

@media screen and (max-width:365px) {
    img {
        width: 150px;
        height: auto;
    }
    
    #topdiv {
        font-size: 14px;
    }
}

@media screen and (width:375px) and (height:667px) {
    img {
        width: 150px;
        height: auto;
    }
    
    #topdiv {
        font-size: 12px;
    }
}