<style>
a, button,input[type=submit],input[type=reset] {
    font-family: sans-serif;
    font-size: 15px;
    background: #22a4cf;
    color: white;
    border: white 3px solid;
    border-radius: 5px;
    padding: 12px 20px;
    margin-top: 10px;
}
a {
    text-decoration: none;
}
a:hover, button:hover, input[type=submit]:hover, input[type=reset]:hover{
    opacity:0.9;
}
</style>