web/src/assets/scss/layout.scss

.layout-container{
  .header{
    height: 80px;
  }
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  .layout-main{
    flex: 1;
    min-height: 0;
  }
  .footer{
    height: 50px;
  }
}