.container{
  margin: 1.0rem auto 0 auto;
  width:55%;
}
.login-box{
  width:100%;
  text-align: center;
  color: #a7a7a7;
}
.textbox{
  width: 100%;
  overflow: hidden;
  font-size: 2.0rem;
  color:#3b3b3b;
  padding: 10px 0;
  margin: 12px 0;
  border-bottom: 2px solid #a7a7a7;
}
.textbox input{
  font-family: "NotoSansKR_m";
  border: none;
  outline: none;
  background: none;
  color: #3b3b3b;
  font-size: 1.8rem;
  width: 80%;
  float: left;
  margin: 0 10px;
}
.textbox input::placeholder{
  font-family: "NotoSansKR_m";
  color: #d4d4d4;
}
.text_center{
  color: #a7a7a7;
  font-size: 1.3rem;
  text-decoration: none;
  margin: 12px auto 0 auto;
  font-family: "NotoSansKR_r";
}
.line  {
  width: 40%;
  height: 2px;
  margin:0px;
  background-color: #a7a7a7;
}
.clear{
  clear:both;
}
#login {
  margin-top: 10px;
  margin-bottom: 30px;
  font-size: 2.3em;
  font-family: "NotoSansKR_m";
}
#loginbtn{
  width: 100%;
  color:#ffffff;
  font-family: "NotoSansKR_m";
  font-size: 1.8rem;
  background: linear-gradient(to left, #bca8ff, #0090ff);
  outline: none;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  padding: 0.8rem 0;
}
.submitBtn{
  margin: 20px 0;
  width: 100%;
  text-align: center;
}
#boundarybox {
  margin:12px 0 12px 0;
  align-items: center;
  display:flex;
  font-family: "NotoSansKR_r";
}
#logoimg_box{
  width: 100%;
  text-align: center;
  z-index: 10003;
}
#logoimg_box img{
  width: 100%;
}
#imgbox {
  text-align: center;
  margin-bottom: 10px;
}
#imgbox img{
  margin:  0 0.5rem 0 0.5rem;
}
input::placeholder{
  color:#a7a7a7;
  opacity: 0.8;
}
@media only screen and (max-width: 1024px) {
  .container{width:55%;}
}
@media only screen and (max-width: 768px) {
  .container{width: 65%;}
}
@media only screen and (max-width: 540px) {
  .container{width: 75%;}
}