@charset "UTF-8";
*, ::after, ::before {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Calibri, Carlito, Fira Sans, Arial, sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #ffffff;
}
main {
  text-align: center;
  padding-top: 3rem;
  padding-bottom: 3rem;
  max-width: 640px;
  margin-right: auto;
  margin-left: auto;
}
p {
  line-height: 1.2;
}
div#login-top {
  display: inline-block;
  width: 100%;
}
div#login-left, div#login-right, div#main-left, div#main-right {
  display: inline-block;
  vertical-align: top;
  margin-bottom: auto;
  margin-top: 1rem;
}
div#login-left {
  width: 60%;
}
div#login-right {
  width: 35%;
}
div#main-left {
  width: 35%;
}
div#main-right {
  width: 60%;
}
h1, h2, h3, h4, h5, h6 {
  margin-top: 1rem;
  margin-bottom: .5rem;
  font-weight: 300;
  line-height: 1.2;
}
h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.75rem;
}
h4 {
  font-size: 1.5rem;
}
h5 {
  font-size: 1.25rem;
}
h6 {
  font-size: 1rem;
}
form+h1, form+h2, form+h3, form+h4, form+h5, form+h6 {
  margin-top: 3rem;
}
p {
  margin-top: 0;
  margin-bottom: 1rem;
}
ol, ul {
  padding-left: 2rem;
  margin-top: 0;
  margin-bottom: 1rem;
}
ol ol, ol ul, ul ol, ul ul {
  margin-bottom: 0;
}
b, strong {
  font-weight: bolder;
}
a {
  color: #00b0dd;
  text-decoration: underline;
}
a:hover {
  color: #0089bf;
}
img#logo, img#title, img#menu-title {
  display: inline;  
  margin-top: auto;
  margin-bottom: auto;
  vertical-align: middle;
}
img#logo {
  width: 200px;
  margin-right: 20px;
}
img#title {
  width: 400px;
}
img#menu-title {
  width: 200px;
  margin-right: 20px;
}
label {
  color: #00b0dd;
  display: inline-block;
  margin-bottom: .5rem;
  font-weight: 700;
  font-size: 1rem;
}
button, input, optgroup, select, textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
textarea {
  resize: vertical;
}
input[type=button], input[type=reset], input[type=submit], button {
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  color: #ffffff;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  background-color: #00b0dd;
  border: 1px solid #00b0dd;
  padding: .375rem .75rem;
  font-size: 1.25rem;
  border-radius: .25rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}
input[type=text], input[type=password], input[type=file], textarea {
  display: block;
  width: 100%;
  padding: .375rem .75rem;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #ffffff;
  background-clip: padding-box;
  border: 2px solid #00b0dd;
  border-radius: .25rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
input[type=button]:hover, input[type=reset]:hover, input[type=submit]:hover, button:hover {
  background-color: #0089bf;
  border-color: #0089bf;
}
input[type=button]:focus, input[type=reset]:focus, input[type=submit]:focus, button:focus {
  background-color: #00b0dd;
  border-color: #00b0dd;
  outline: 0;
  box-shadow: 0 0 0 .25rem #0089bf80;
}
input[type=text]:focus, input[type=password]:focus, input[type=file]:focus, textarea:focus {
  background-color: #ffffff;
  border-color: #00b0dd;
  outline: 0;
  box-shadow: 0 0 0 .25rem #0089bf80;
}
input::placeholder, input::-moz-placeholder, textarea::placeholder, textarea::-moz-placeholder {
  color: #6c757d;
  opacity: 1;
}
p#message {
  color: #6c757d;
  font-size: 1.25rem;
  font-weight: 300;
}
div.card-grid {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  vertical-align: center;
}
div.card {
  display: inline-block;
  width: 90%;
  word-wrap: break-word;
  background-color: #ffffff;
  background-clip: border-box;
  border: 2px solid #00b0dd;
  border-radius: .5rem;
  margin-top: 1rem;
  margin-right: auto;
  text-align: left;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
div.card.sent {
  margin-left: 4em;
}
div.card.recv {
  margin-right: 4em;
}
div.card.del {
  opacity: 0.5;
}
div.card-title {
  display: inline-block;
  padding-top: .5rem;
  padding-bottom: .5rem;
  padding-left: 1rem;
  float: left;
}
div.card-date {
  display: inline-block;
  padding-top: .5rem;
  padding-bottom: .5rem;
  padding-right: 1rem;
  text-align: right;
  float: right;
  font-size: 1rem;
}
div.card-text {
  display: inline-block;
  padding-top: 0;
  padding-bottom: .5rem;
  padding-left: 1rem;
  padding-right: 1rem;
  line-height: 1.2;
  width: 100%;
}
div#description {
  padding: .5rem 1rem;
  color: #212529;
  background-color: #ffffff;
  border: 1px solid rgba(0,0,0,.125);
  border-radius: .25rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}
nav+main {
  padding-top: 1rem;
}
nav {
  color: #ffffff;
  background-color: #00b0dd;
  justify-content: center;
  position: relative;
  display: flex;
  align-items: center;
}
nav>ul {
  display: flex;
  flex-direction: row;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
  height: 100%;
}
nav>ul li {
  padding-left: 10px;
  padding-right: 10px;
  margin-left: 5px;
  margin-right: 5px;
  list-style: none;
  font-weight: 700;
  font-size: 1.5rem;
  vertical-align: middle;
  padding-top: .5rem;
  padding-bottom: .5rem;
}
nav>ul li.active {
  color: #00b0dd;
  background-color: #ffffff;
}
nav>ul li a {
  color: #ffffff !important;
  text-decoration: none !important;
}
#hint {
  display: inline-block;
  font-weight: 400;
  line-height: 1;
  color: #ffffff;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  background-color: #00b0dd;
  border: 1px solid #00b0dd;
  padding: .375rem .75rem;
  font-size: 1.25rem;
  border-radius: .75rem;
  width: 80%;
  margin-top: 0.5rem;
}
#hint-title, #hint-text {
  text-align: left;
  margin: .5rem;
}
#hint-title {
  font-weight: 700;
}
.bold {
  font-weight: 700;
}
.mute {
  color: #6c757d; 
  font-weight: 300;
}