body{
    margin: 0;
    background-image: url("b4.jpg");
   background-repeat: no-repeat;
    background-size: 2000px 1000px;
    overflow: hidden;

}
ul{
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-size: 22px;
   /* background-color: aqua;*/
   font-variant: small-caps;
}
ul li{
    float: left;
}
ul li a{
    display: block;
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}
ul li a:hover{
    background-color: blueviolet;
    color: white;
}
ol{
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 140px;
    font-size: 22px;
   /* background-color: aqua;*/
    position: fixed;
    height: 100%;
    overflow: auto;
    font-variant: small-caps;
}
ol li a{
    display: block;
    color: black;
    padding: 30px 14px;
    text-decoration: none;
}
ol li a:hover{
    background-color: blueviolet;
    color: white;
}
.hii{
    margin-top: 50px;
    margin-left: 300px;
    margin-right: auto;
    padding: 10px;
    border-style: dotted;
    border-color: blue;
    border-width: 4px;
    width: 1000px;
    height: 600px;
    color: red;
    font-size: 20px;
}
h1{
    text-align: center;
    color: #FF0066;
}
img{
    margin-left: auto;
    
}

.flex-container{
    display: flex;
    flex-direction: nowrap;
    background-color: none;
}
.flex-container>div{
    background-color: none;
    
    margin: 10px;
    padding: 20px;
    font-size: 30px;
    text-align: center;
}

.abc{
    text-align: center;
    font-size: 18px;
    padding: 15px;
    color: tomato;
}