.kb_dashboard {
  width: 1920px;
  height: 1080px;
  position: relative;
  background-color: #000;
  font-size: 20px;
  font-family: Microsoft YaHei;
}

.kb_header {
  /*background-color: #000;*/
  background-color: #123;
  height: 90px;
  line-height: 90px;
  font-size: 40px;
  color: #09d8f2;
}
.kb_headTime{
  position: absolute;
  left: 100px;
  width: 300px;
  height: 50px;
  z-index: 10;
  top: 20px;
  font-size: 22px;
}


.flex_c_c {
  display: flex;
  justify-content: center;
  align-content: center;
}

.flex_c_s {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  /*align-content: center;*/
}

.kb_pd10{
 padding: 10px;
}