* {box-sizing: border-box;}
img {
  width: 100%;
  height: auto;
}
.row:after {
  content: "";
  clear: both;
  display: table;
   }
[class*="col-"] {
  float: left;
  padding: 15px;
  width: 100%;
   }
@media only screen and (min-width: 600px) {
  .col-s-1 {width: 8.33%;}
  .col-s-2 {width: 16.66%;}
  .col-s-3 {width: 25%;}
  .col-s-4 {width: 33.33%;}
  .col-s-5 {width: 41.66%;}
  .col-s-6 {width: 50%;}
  .col-s-7 {width: 58.33%;}
  .col-s-8 {width: 66.66%;}
  .col-s-9 {width: 75%;}
  .col-s-10 {width: 83.33%;}
  .col-s-11 {width: 91.66%;}
  .col-s-12 {width: 100%;}
   }
@media only screen and (min-width: 768px) {
  .col-1 {width: 8.33%;}
  .col-2 {width: 16.66%;}
  .col-3 {width: 25%;}
  .col-4 {width: 33.33%;}
  .col-5 {width: 41.66%;}
  .col-7 {width: 58.33%;}
  .col-8 {width: 66.66%;}
  .col-9 {width: 75%;}
  .col-10 {width: 83.33%;}
  .col-11 {width: 91.66%;}
  .col-12 {width: 100%;}
   }
html {font-family: "Lucida Sans", sans-serif; }
.header {
  background-color: rgb(0, 77, 77);
  color: #ffffff;
  padding: 15px;
}
.keskelle{text-align:center;}
.menu ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
.menu li {
  padding: 8px;
  margin-bottom: 1px;
  background-color :rgb(0, 77, 77);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}
.menu li:hover {background-color: rgb(0, 128, 128);}
.menu .auki {background-color: rgb(255, 215, 0);color:rgb(51, 43, 0)}
.footer {
  background-color: rgb(0, 77, 77);
  color: #ffffff;
  text-align: center;
  font-size: 12px;
  padding: 15px;
}
/* unvisited link */
a:link {text-decoration: none;}
/* visited link */
a:visited {text-decoration: none;}
/* mouse over link */
a:hover {text-decoration: none;}
/* selected link */
a:active {text-decoration: none;}
.koodi {
  background-color: AliceBlue;
  width: 100%;
  border: 1px solid rgb(0,51,51);
  padding: 10px;
  margin: 30px 10px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.time-box {
  background-color: #ffffff;
  border: 2px solid #4caf50;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
  width: 300px;
}
#current-time {
  font-size: 24px;
  font-weight: bold;
  margin: 10px 0;
}

#timezone-info,
#timezone-name {
  font-size: 18px;
  color: #555;
}
#chat-box {
 width: 100%; height: 300px; border: 1px solid #ccc; padding: 10px; overflow-y: auto; background: #f9f9f9;
}
#message-form {
 margin-top: 10px;
}
#message-form input, 
#message-form button { 
 padding: 10px;
}