.container {
  display: grid;
  grid-template-columns: 1fr 1024px 1fr;
  grid-template-rows: 100px 1fr 64px;
  gap: 0px 0px;
  grid-auto-flow: row;
  grid-template-areas:
    "top top top"
    "sidebar-left main sidebar-right"
    "footer footer footer";
}

.main {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 64px 1fr;
  gap: 0px 0px;
  grid-auto-flow: row;
  grid-template-areas:
    "logo logo logo . . . . nav nav nav nav nav nav nav nav"
    "piece1 item1 item1 item1 item1 item1 item1 item1 item1 item1 item1 item1 item1 item1 item1";
  grid-area: main;
}

.item1 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  gap: 0px 0px;
  grid-area: item1;
}
.pauldron {
  justify-self: end;
  align-self: center;
  grid-area: 2 / 9 / 6 / 11;
}
.item2 {
  background: #1869ff;
  height: 300px;
  align-self: center;
  display: grid; 
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr; 
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr; 
  gap: 0px 0px; 
  grid-template-areas: 
    ". . . . . ."
    ". . . . letter-sg letter-sg"
    ". . . . letter-sg letter-sg"
    ". . . . letter-average letter-average"
    ". . . . letter-average letter-average"; 
  grid-area: 5 / 6 / 10 / 11; 
}
.letter-sg { 
  align-self: center;
  justify-self: center;
  grid-area: letter-sg; 
}
.letter-average { 
  align-self: center;
  justify-self: center;
  grid-area: letter-average; 
}

.piece2 {
  background: url(../images/dec-point2.png) repeat;
  width: 360px;
  height: 68px;
  justify-self: center;
  grid-area: 9 / 1 / 11 / 5;
}

.main-box {
  max-width: 95%;
  background: #fff;
  border: 10px solid #57a5f8;
  box-shadow: 10px 10px 20px rgb(0 29 84 / 30%);
  display: grid; 
  grid-template-columns: 1fr; 
  grid-template-rows: 1fr 50px; 
  gap: 0px 0px; 
  grid-template-areas: 
    "."
    "return"; 
  grid-area: 2 / 1 / 9 / 10;
}
.main-content{
  padding: 30px 60px 10px;
  height: 430px;
  overflow-y: scroll;
  line-height: 1.8;
  color: #191919;
}
.return {
  justify-self: end; 
  align-self: end; 
  grid-area: return; 
}
.piece1 {
  background: url(../images/dec-point2.png) repeat;
  width: 54px;
  height: 280px;
  align-self:center;
  justify-self: end;
  grid-area: piece1;
}