/* General */

#main {
    width: 100%;
    height: calc(100vh - 90px);
    min-height: 631px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: whitesmoke;
}

/* Contact Form */

form {
    width: 90%;
    max-width: 420px;
    background-color: white;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0px 0px 5px #888888;
}

form header {
    text-align: center;
}

form h2 {
    font-size: 16px;
    font-weight: normal;
    border-bottom: 2px solid #142464;
    padding-bottom: 10px;
    margin-bottom: 10px;
}

form label {
    font-weight: bold;
}

form input, form textarea {
    display: block;
    padding: 5px;
    border-radius: 5px;
    border: thin solid gray;
    margin: 5px 0px 10px 0px;
    font-size: 16px;
    background-color: whitesmoke;
}

form input {
    width: calc(100% - 12px);
}

form textarea {
    width: calc(100% - 12px);
    height: 120px;
    resize: none;
}

form button {
    width: 100%;
    background-color: #142464;
    color: white;
    padding: 10px 0px;
    font-size: 18px;
    border-radius: 100vh;
    border: none;
    margin: 10px 0px;
}

#counter {
    color: #424242;
}

#alternative {
    text-align: center;
    color: #424242;
}

.error {
    color: #B30000;
    font-weight: normal;
}

/* Popup */

#popup {
    position: fixed;
    left: 50%;
    top: calc(100vh - 140px);
    transform: translate(-50%);
    padding: 10px;
    border-radius: 10px;
    z-index: 7;
    opacity: 0;
    transition: opacity 150ms ease-in-out;
}