.dd{
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-direction: column;
    width:100%;
    padding :30px;
    padding-top: 0px;
}
body {
    margin-top: 130px;
    background-color:rgb(239, 239, 239);
}
h1{
    color:white;
    padding :20px;
}

.ul1{
    margin-left: 40px;
    margin-bottom: 20px;
}
.ul1 li{
    font-size: calc(1.2em - 1pt);
    transition: all 0.1s ease-in-out;
    --webkit-transition: all 0.1s ease-in-out;
}
summary{
    font-size: calc(2em - 1pt);
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s ease-in-out;
    --webkit-transition: all 0.1s ease-in-out;
}
summary:hover{
    color:rgb(42, 209, 42);
}
.ar-heading{
    margin:0px;
}
.ul1 li:hover{
    color:rgb(10, 10, 161);
    font-weight: bold;
}
footer{
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    color: white;
}
.aaa{
    margin-left: 20px;
    margin-bottom: 20px;
  }
@media (max-width: 700px) {
    summary{
        font-size: calc(1.5em - 1pt);
    }
    body{
      margin-top: 80px;
    }
}