body {
    font-family: Arial, Helvetica, sans-serif;
    margin-left: 40px;
    margin-right: 40px;
}

h1, h2{
    text-align: center;
}

h1 a {
    text-decoration: none;
    color: black;
}

h1 button {
    font-size: 2em;
    padding: 10px 50px;
}

#send-message, #receive-message {
    width: 100%;
    height: 230px;
    box-sizing: border-box;
    margin-bottom: 20px;
    border: black solid 1px;
}

#process-button {
    padding: 10px 30px 10px 30px;
    float: right;
}

#link-area button {
    padding: 10px 30px 10px 30px;
}

#link-area table {
    width: 100%;
    margin-bottom: 20px;
    border-spacing: 0;
}

#link-area td {
    padding: 10px 20px;
}

#link-area td.label {
    text-align: right;
    border: 1px solid black;
    border-right: 0;
}

#link-area td.content {
    border: 1px solid black;
    border-left: 0;
    width: 100%;
    font-family: monospace;
}

#link-area tr.second-row td.label, #link-area tr.second-row td.content {
    border-top: 0;
}

#raw-link, #decrypted, #decrypted-files {
    border: 1px solid black;
    padding: 20px;
    margin-top: 20px;
    font-size: 0.9em;
}

#decrypted {
    margin-bottom: 20px;
}

#decrypted-label, #decrypted-files-label {
    font-weight: bold;
}

#decrypted, #decrypted-files {
    margin-left: 20px;
}

#decrypted-files div {
    line-height: 2em;
}

#send-files {
    border: 1px solid black;
    margin-bottom: 20px;
    padding: 10px;
}

#send-files .button-div {
    width: 100%;
    display: inline-block;
}

#send-files button {
    padding: 2px 10px;
    margin: 0 15px 15px 0;
}

#link-files div {
    line-height: 2em;
}

#send-files .button-div button {
    float: right;
    padding: 5px 20px;
    margin: 0;
}

#raw-link {
    word-wrap: anywhere;
    font-family: monospace;
}

#decrypted-container {
    display: none;
}

#decrypted, #decrypted-files {
    font-family: monospace;
    font-size: 1.1em;
}

#send-password, #receive-password {
    padding: 10px;
    width: 230px;
}

#link-area {
    display: none;
}

#footer {
    margin-top: 40px;
    font-size: 0.9em;
}

#footer a {
    margin-right: 20px;
    color: black;
}

#alert {
    position: absolute;
    left: 30%;
    right: 30%;
    top: 40%;
    bottom: 0;
    display: none;
}

#alert-message {
    border: 1px solid black;
    text-align: center;
    background-color: #ddd;
    padding: 30px;
}

#alert-message button {
    position: absolute;
    top: 10px;
    right: 10px;
}

#mail-link-en {
    float: left;
    margin-right: 30px;
}

#send-password-area label.switch {
    margin: 12px 20px 12px 0;
}

#send {
    display: none;
}

.main-menu-button {
    padding: 10px 30px 10px 30px;
    font-size: 1.1em;
}

#main-menu {
    width: 100%;
    text-align: center;
}

hr {
    margin-top: 40px;
    border-bottom-width: 0;
}

#doc {
    float: right;
    color: black;
}

#send-password-label, #send-password {
    display: none;
}

#send-no-password {
    padding-top: 3px;
    display: inline-block;
}

#receive-password-label, #receive-password {
    display: none;
}

#receive-password-area {
    height: 45px;
}

.hint {
    text-align: center;
    font-weight: bold;
    margin-top: -10px;
    margin-bottom: 20px;
    background-color: lightblue;
    padding: 10px 0;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
    margin-right: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:focus + .slider {
    box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
    -webkit-transform: translateX(20px);
    -ms-transform: translateX(20px);
    transform: translateX(20px);
}