.form-button {
    display: inline-block;
    box-sizing: border-box;
    /* width: 100%; */
    /* width: calc(100% - 20px); */
    font-size: 1em;
    font-weight: bold;
    text-align: center;
    background-color: #c7644b;
    color: #ffffff;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    transition: background-color 0.3s, color 0.3s;
    padding: 5px 20px;
    margin: 0 5px 10px 0; /* top right bottom left */
    font-family: inherit;
}

.form-button:hover {
    background-color: #e09494;
    color: #fff;
}

input.plain {
    font-size: 1em;
    font-family: inherit;
    box-sizing: border-box;
    border: 1px solid black;
    border-radius: 3px;
    padding: 5px;
    display: block;
    width: 100%;
    /* width: calc(100% - 20px); */
    margin: 0 5px 10px 0; /* top right bottom left */
}
input.plain:focus {
    border: 1px solid #494bd488;
    box-shadow: 0px 0px 5px;
}
input.plain::placeholder {
    font-size: 0.8em;
}