*{
    margin: 0;
    padding: 0;
    box-sizing: content-box;
    line-height: 1.6em;
    }
    a{
    display: inline-block;
    margin: 5px;
    padding: 20px;
    background-color: #dddddd;
    text-decoration: none;
    height: 25px;
    }
  h1{
    color: blue;
    text-align: center;
    }
    p{
    text-align: justify;
    padding-left: 40px;
    padding-right: 50px;
    }
    li{
    margin-left: 100px;
    padding-left: 10px;
    }
    table, tr, td{
      margin-left: 50px;
      width: 80%;
    }
    h2,h3{
      margin-left: 31px;
    }
    h2:hover{
      font-size: 30px;
      color: green;
      text-align: center;
    }
      p:hover{
        margin-top: 0;
        padding-top: 0;
        font-size: 25px;
        background-color: cornsilk;
        color: black;
        line-height: 1.4em;
      }
     
    li:hover{
      font-size: 20px;
      color: blue;
    }
 
  img{
    display: inline-block;
    margin-left: 50px;
  }
.img1{
    float: right;
   
  }
  .img1:hover{
    width: 60%;
  }
  .grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.item {
    width: 90%;
    margin-left: 3.5rem;
    padding-left: 3rem; 
    border: #ccc 1px solid;
    background: #f4f4f4;
}
.example{
  margin-left: 150px;
}
.calculator{
  border: #ccc 1px solid;
  margin-left: 50px;
  padding: 10px 40px;
  font-style: italic;
}

/* table{
  margin: 0 auto;
  width: 90%;
}
th, td {
  text-align: left;
  border-bottom: 1px solid #ddd;
}  */

.table-container{
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap:1rem
}
table{
  margin: 0 auto;
  table-layout: fixed ;
  width: 99% ;
  
  border: #ccc 2px solid;
  border-collapse: collapse;
}

.item1{
  text-align: left;
  font-size: 1.3rem;
  margin-left:10px;
  padding:10px 20px;
  line-height:2rem;
  text-align: justify;

}
.item2{
  padding: 2 rem;
  font-size: 1.3rem;
  /* font-weight: bold;  */
  text-align: center;
}
th,td{
  text-align: center;
  width: 33%;
  border: #ccc 1px solid;
  border-collapse: collapse; 
}