#app {
    width: 65%;
    min-width: 640px;
    margin: 0 auto;
    display: block;
}

#nav-window {
    width: 100%;
    height: 40px;
    display: block;
    margin-top: 20px;
    margin-bottom: 20px;
    background-color: #fff;
}

#nav-window > div {
    display: inline-block;
    margin-left: 20px;
}

#site-window {
    width: 100%;
    min-height: 500px;
    height: auto;
    display: block;
    margin-top: 20px;
    background-color: #fff;
}

#site-window > div {
    margin: 10px 20px 10px 20px;
}

#site-window > div a {
    margin-left: 20px;
}

.site-group > a {
    margin-left: 20px;
}

#footer-window {
    width: 100%;
    height: 50px;
    display: block;
    margin-top: 20px;
    padding-bottom: 100px;
    background-color: #fff;
    border-top: 2px solid #333;
}

#footer-window > div {
    display: block;
    margin-top: 10px;
    margin-left: 20px;
}
#title-container {
    padding: 20px 10px;
    border-bottom: 1px solid #000;
  }

  #title-container input {
    font-size: 20px;
    border: 0;
    outline: none;
    width: 100%;
    line-height: 1;
  }
  .input-textarea{
    width: 90%;
    height: 100%;
    border: 1px solid #000;
    /*border-radius: 4px;*/
    padding: 10px;
    resize: none;
  }
  .btn {
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    /* vertical-align: middle; */
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none;
    border: 1px solid transparent;
    padding: 10px 15px;
    font-size: 14px;
    line-height: 1.42857143;
    /*border-radius: 4px;*/
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.input-button{
    width: 60px;
    margin: 0 auto;
}
.btn-default {
    margin: 0 auto;
    color: #333;
    background-color: #fff;
    border-color: #000;
}