style3.css

.a{
    color: white;
    margin: auto;
    background-size:cover;
    animation: example 5s forwards;
    background-image:url(https://i.ytimg.com/vi/SigIbCVMTzU/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCiiXqUJ5yw0fxrzePFSd6qqboyVQ);
}
hr{
    color: black;
}
.b{
    margin: auto;
    padding-block-start: 10px;
    background: linear-gradient(90deg, rgb(255, 255, 255) 35%, rgb(55, 255, 188) 100%);
    width:fit-content;
    padding-block-end: 10px;
}
.b1{
    color: rgb(90, 239, 189);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.b2{
    font-family:Arial, Helvetica, sans-serif;
    font-size: 5px;
    padding-left: 20px;
    padding: 20px;
    text-align:justify;
}
@keyframes example{
        0%, 100% { opacity: 0; }
        100% { opacity: 1; }
    }