* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('corona.jpg');
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-size: cover;
        color: white;
        font-family: cursive;
    }
    
    html {
        scroll-behavior: smooth;
    }
    
    .box {
        overflow: auto;
        text-align: left;
        display: -ms-flexbox;
        display: flex;
        -ms-flex-align: start;
        align-items: flex-start;
        font-size: 20px;
        font-weight: bold;
        padding: 10px;
        margin-bottom: 30px;
        border-radius: 20px;
        background-color: white;
        color: black;
        justify-content: center;
        align-items: center;
        border-bottom: 30px;
        opacity: 0.9;
    }
    
    img {
        float: left;
        margin-right: 30px;
        margin-bottom: 30px;
        margin-left: 30px;
        margin-top: 30px;
        vertical-align: middle;
        justify-content: center;
        align-items: center;
    }
    
    .pic {
        margin-right: 1rem!important;
        justify-content: center;
        align-items: center;
    }
    
    .heading {
        text-align: center;
        margin-top: 30px;
        font-size: 50px;
        font-family: cursive;
    }
    
    .jot {
        -ms-flex: 1;
        flex: 1;
        margin-right: 30px;
        margin-left: 30px;
        padding: 10px;
    }
    
    .box:nth-child(odd) {
        float: left;
    }
    
    .box:nth-child(even) {
        float: right;
        margin-left: 30px;
    }
    
    .container {
        width: 100%;
        padding-right: 15px;
        padding-left: 15px;
        margin-right: auto;
        margin-left: auto;
    }
    
    #myBtn {
        display: none;
        position: fixed;
        bottom: 20px;
        right: 30px;
        z-index: 99;
        font-size: 18px;
        border: none;
        outline: none;
        background-color: black;
        color: white;
        cursor: pointer;
        padding: 15px;
        border-radius: 4px;
    }
    
    .home1 {
        color: #b7e9f7;
        font-size: 1.8rem;
        margin-left: 350px;
        margin-bottom: 0;
        background: transparent;
        text-align: center;
        padding-left: 335px;
        padding-right: 100px;
        padding-bottom: 2px;
    }
    
    @media (max-width: 600px) {
        .container {
            height: 100%;
        }
        .box {
            float: center;
            margin-bottom: 5%;
            width: 100%;
            height: 100%;
            margin-left: auto;
            margin-right: auto;
        }
        .heading {
            text-align: center;
            font-size: 25px;
            margin-top: 5%;
            letter-spacing: 4px;
            height: 12%;
        }
        .sheet {
            flex-direction: column;
            margin-top: 5%;
            margin-left: 10px;
            margin-right: 10px;
        }
        img {
            max-width: 100%;
            display: block;
            margin-right: 30px;
            margin-bottom: 30px;
            margin-left: 30px;
            margin-top: 30px;
            padding-right: 30px;
            justify-content: center;
            align-items: center;
        }
        .pic {
            margin-left: 50px;
        }
        #pb {
            margin-left: 50px;
            margin-right: 0;
            padding-right: 0;
            width: 100px;
            height: 100px;
        }
        .jot {
            margin-right: 10px;
            margin-left: 0;
        }
        @media (max-width:633px) {
            .home1 {
                text-align: center;
                margin-left: 110px;
                padding-left: 0;
            }
        }
        @media (max-width:1024px) {
            .heading {
                text-align: center;
            }
        }
        @media(min-width:375px) {
            .home1 {
                text-align: center;
                margin-left: 130px;
                padding-left: 0;
            }
        }
        @media(min-width:425px) {
            .home1 {
                text-align: center;
                margin-left: 150px;
                padding-left: 0;
            }
        }
        @media(max-width:768px) {
            .home1 {
                text-align: center;
                margin-left: 150px;
                padding-left: 0;
            }
        }