.header {
    background-color: rgb(18, 44, 190);
    color:white;
    font-size: 23px;
    text-align: center;
    box-shadow: 10px 10px 10px;
}
.container-1 {
text-align:center;
font-size: 30px;
color: white;
}
.container-3{
    font-size: 32px;
    color: azure;
text-align: center;
background-color:rgb(54, 52, 224);
box-shadow: 18px 10px 18px black;
color:antiquewhite;
font-size: 25px;
border-color: 3px;    

}
.button-menu {
    background-color: rgb(54, 52, 224);
    font-size: 25px;
    display: inline;
    margin-left: 50px;
    color: white;
    padding-left: 20px;
    padding-right: 20px;
}
.button-menu a{
    background-color: rgb(214, 206, 206);
    margin-left: 20px;
    padding-left: 15px;
    padding-right: 20px;
    text-decoration: none;
    border-radius: 15px;
    box-shadow: 10px 10px 10px black;
}
.button-menu a:hover{
    background-color: blue;
    text-align: center;
    color: red;
    border:2px solid black;
}
    img {
height: 200px;
width: 300px;
margin-left: 30px;
    }