#container{

}

.header {
  width: 100vw;
  height: 30px;
	margin: 0 auto;
  text-align: left;
  padding-left: 100px;
  display: table-cell;
  vertical-align: middle;
  font-size: 30px;
}

.main {
  width: 100vw;
  height: 600px;
	margin: 100px;
  background-color: #fffafa;
  margin-top: 10px;
  padding: 10px;
}

.textarea {
  width: 600px;
  height: 300px;
	margin: 20px;
  border: solid gray 2px;
  border-radius: 10px;
  padding: 10px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.contentsicon {
  height: 100px;
  width: 200px;
  border-radius: 1%;
  display: inline-block;
  padding: 20px;
  margin-right: 30px;
  margin-top: 30px;
  cursor: pointer;
  vertical-align: middle;
  text-align: center;
  background-color: #ffffff;
  color: black;
  font-weight: bold;
  font-size: 30px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3) inset, 10px 10px 5px rgba(0, 0, 0, 0.5);
  -webkit-transform: translate(20px,20px);
}

 a {
  text-decoration: none;
 }

.Return_view {
    clear: both;
    position: fixed;
    bottom: 0px;
    right: 0px;
    width: 50px;
    height: 20px;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
    border: solid gray 2px;
    border-radius: 10px;
    background-color: #ffffff;
    font-size: 15px;
    padding: 10px;
    margin: 10px;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.osc {
  clear: both;
  /* position: fixed; */
  bottom: 0px;
  text-align: center;
  display: inline-block;
  border: solid gray 2px;
  border-radius: 10px;
  padding: 10px;
  margin: 20px;
  margin-bottom: 20px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.contentsarea {
  width: 800px;
  height: 400px;
  border: solid gray 2px;
  border-radius: 10px;
  background-color: white;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
  margin: 20px;
}

.margin {
  margin: 10px;
}