.header {
    text-align: center;
    font: 3em sans-serif;
    padding-top: 10px;
    height: 80px;
    background: rgb(87,146,201);
    background: linear-gradient(90deg, rgba(87,146,201,1) 0%, rgba(111,238,234,1) 49%, rgba(87,146,201,1) 99%);    
    width: 100%; 
    border: 2px solid lightyellow;
}

h3 {
    margin-top: 20px;
    margin-left: 5%;
    color: fuchsia;
    font-size: 16px;
}

button {
    margin: 12px 0 15px 5px;
    height: 30px;
    width: 180px;
    border: 2px solid #000;
    border-radius: 8px;
    color: black;
}

button :hover {
    color: white;
    background-color: green;
}



.olMenu a {
    margin: 55px 0 0 20px;
}

.olMenu li { 
    color: navy;
    font-size: medium;
}

.buttonMenu {
    display: flex;
    margin: 50px 0 0 20%;
    padding-left: 19.3%;
    width: 60%;
    height: 60px;
    background-color: aliceblue;
    color: navy;
    border: 4px solid blue;
    border-radius: 8px;    
}

.buttonMenu button {
    margin: 12px 0 15px 5px;
    height: 30px;
    width: 180px;
    border: 2px solid navy;
    border-radius: 8px;
    color: navy;    
}

.buttonMenu #btnGodric {
    margin-right: 20px;
}

.buttonMenu button:hover {
    color: white;
    background-color: cornflowerblue;
    border: 2px solid blue;
    box-shadow: 0 0 10px blue;
}