h1{
    color: #fff;
}
body{
    margin: 0px;
    padding: 0px;
}
.MainContainer{
    display: grid;
    grid-template-columns: 200px calc(100% - 200px);
    grid-template-rows: 70px calc(100vh - 70px);
}
.AppHeader,
.AppNav,
.AppAside,
.AppMain {
    overflow: hidden;
}
.AppHeader{
    background-color: rgb(0,119,99);
    padding: 10px;
}
.AppAside{
    background-color: rgb(24,165,141);
    padding: 10px;
}
.AppNav{
    padding: 10px;
    background-color: #fff;
    box-shadow: 0 2px 2px 0 rgba(0,0,0,0);
}
.AppMain{
    overflow: hidden;
    overflow-y: auto;
    padding: 20px;

}