body, h1,h2,h3,h4,p,ol,ul {
    margin: 0;
    padding: 0;
}

body{ 
    background-color: rgb(146, 208, 236);
    font-size: 16px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;

}
header {
    display: flex;
    justify-content: left;
    align-items: center;
    color: rgb(17, 14, 39);
    background-color:rgb(94, 181, 221);
}
.header_menu {
    width: 100%;
    justify-content: center;
    display: flex;
    padding: 20px;
    list-style: none;
}


.menu_item a {
    padding: 10px;
    color: white;
    text-decoration: none;

    font-size: 20px;
    transition: all 2s;
}
.menu_item a:hover {
    background-color:rgba(27, 2, 24, 0.7);
}