@import url('https://fonts.googleapis.com/css2?family=Merienda:wght@700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#container {
  margin: 0 auto;
  width: 1200px;
}

header {
  width: 100%;
  height: 70px;
}

#logo {
  float: left;
  width: 300px;
  height: 70px;
  line-height:70px;  /* 세로로 중간에 맞춤 - 줄간격을 높이 값과 같게 */
  padding-left:20px;  /* 왼쪽에 여백 */
  background-color: white;
}
#logo a {
  text-decoration: none;
}
#logo h1 {
  font-family: 'Merienda', cursive;
  font-weight: 700;
  font-size: 40px;
  color: green;
  text-shadow: 0 -1px 0 #222;
}

#menu {
  float: right;
  width: 900px;
  height: 70px;
  position: relative;
  background-color: #ffffff;
/*  border: 1px solid #000; */
}
#menu label {
  margin: 10px;
  padding: 10px;
  width: 40px;
  font-size: large;
  color: blue;
}
#serverUrl {
  margin-left: 0;
  margin-top: 20px;
  padding: 10px; 
  width: 250px;
  height: 30px;
  border:1px solid #000;    /*---테두리 정의---*/
  background-Color:#fff;   /*--백그라운드 정의---*/
}
#send, #clear {
  border:1px solid #000;    /*---테두리 정의---*/
  background-Color:#fff;   /*--백그라운드 정의---*/
  font:12px 굴림;      /*--폰트 정의---*/
  font-weight:bold;   /*--폰트 굵기---*/
  color:#000;    /*--폰트 색깔---*/
  width:150px;
  height:30px;  /*--버튼 크기---*/  
  display: inline-block;
  cursor: default;
  border-radius: 5px;
  box-shadow: 3px 3px 3px black;
  transition-duration: 0.3s;
}

#contents {
  width: 100%;
  height: 600px;
}

#sendBox {
  float: left;
  width: 500px;
  height: 100%;
  border: 1px solid #000;
}
#submit {
  margin: 10px;
  background: #0066A2;
  color: white;
  border-style: outset;
  border-color: #0066A2;
  height: 40px;
  width: 100px;
  border-radius: 20px;
  font: bold15px arial,sans-serif;
  text-shadow: none;
}
#submit:hover {
  margin: 10px;
  background: #016ABC;
  color: #fff;
  border: 1px solid #eee;
  border-radius: 20px;
  box-shadow: 5px 5px 5px #eee;
  text-shadow: none;
}

#recvBox {
  float: right;
  width: 700px;
  height: 100%;
  border: 1px solid #000;
}
#recvData {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 580px;
}

#msgBox {
  width: 100%;
  height: 60px;
  border: 1px solid #000;
}
#recvMsg {
  margin: 0;
  padding: 20px;
  width: 100%;
  height: 100%;
  font-size: 15px;
  font-weight: bold;
  text-align: left;
  resize: none;
}