body{
    box-sizing: border-box;
    padding: 0px;
    margin: 0px;
    text-align: center;
}
a{
    text-decoration: none;
    color: #4caf50;
}
input{
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 12px;
    border: 1px solid #000;
    border-radius: 24px;
    outline: none;
}
button{
    background-color: #4caf50;
    color: white;
    padding: 8px 16px;
    border: none;
}
h3{
    color: orange;
}