<style>
.butonum {
border: none;
border-radius: 15px;
color: #4CAF50;
padding: 8px 16px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
margin: 4px 2px;
transition-duration: 0.2s;
cursor: pointer;
}

.butonum1 {
background-color: #4CAF50;
color: white;
border: 2px solid #28a4c9;
}

.butonum1:hover {
background-color: #28a4c9;
color: white;
}

</style>