button{
    outline: none;
    cursor: pointer;
    display: block;
    text-align: center;
    border: none;
    border-bottom: 4px solid #ffaa20;
    border-radius: 5px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    background-color: #93ce40;
    color: #FFF;
    padding: .75em 2em;
    font-family: sans-serif;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: .1em;
    transition: all .1s ease;
}

button:focus,
button:hover{
    background-color: #a2e04a;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    border-bottom-width: 2px;
}