.container {
    margin-left: 15%;
    margin-right: 15%;
}

input, textarea, button {
    padding: 15px;
    margin-bottom: 30px;
    border-top: none;
    border-right: none;
    border-left: none;
    border-bottom: 2px solid #23b14d;
    transition: 0.5s;
}

input:hover, textarea:hover {
    border-bottom: 5px solid #23b14d;
}

button:hover {
    background-color: #23b14d;
    color: white;
    cursor: pointer;
}

textarea {
    width: 50%;
}