movable-area{
  height: 100%;
  width: 100%;
  margin-bottom: 44px;
}
movable-view{

  background: lightgrey;
  opacity: .6;
  width: 130px;
  height: 200px;
  font-size: 10px;
}
.close{
  position: fixed;
  right: 0;
  top: 0;
}
.message-list{
  height: 175px;
  width: 130px;
}
.message-footer{
  position: fixed;
  bottom: 0;
  width: 100%;
  border-color: gray;
  border-top: 1rpx solid;
}
.message{
  padding-left: 4px;
}
.send-message{
  align-self: center;
  color: green;
  position: absolute;
  right:0;
}
.send-message:hover{
  opacity: 0.6;
}


.student-list{ 
  display: -webkit-flex; 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  flex-wrap: wrap; 
  width: 100%; 
} 
.student{
  flex: 0 0 auto; 
  width: 23%; 
  text-align: center; 
  color: #797979; 
  padding: 40rpx 0; 
  font-size: 30rpx; 
} 

.present{
  color: green;
}
.selectable:hover{
  border-style: inset;
  border-color: green;
  opacity: .6;
}
.tappable{
  color: #1aad19;
  padding: 0 12px;
  position: absolute;
}

.mark-detail{
  right: 0;
}

.class-setting{
  left:0;
}

button{
  margin: 10px 36px;
}

.footer {
  position: fixed;
  bottom: 0;
  height: 44px;
  width: 100%;
  line-height: 44px;
  color: #666;
  border-top: 1px solid #eee;
  font-size: 16px;
  text-align: center;
}

.white{
  background: white;
}

.no-student-view{
  vertical-align: center;
  align-items: center;
  align-self: center;
  display: flex;
  flex-direction: column;
}
text.no-student{
  font-size: 16px;
  margin-top: 32rpx;
}

image.no-student{
  margin-top: 120rpx; 
  height: 160rpx;
  width: 180rpx;
}