body{
    background: rgb(2,0,36);
    background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(9,9,79,1) 50%, rgba(2,0,36,1) 100%);
}    
.mainHeader {
    color: white;
    animation: fadeIn;
    animation-duration: 1.5s;
}
.cat {
    font-size: 100px;
    animation: fadeIn;
    animation-duration: 1.5s;
}
.version {
    color: gray;
    font-weight: normal;
    margin-top: -35px;
    animation: fadeIn;
    animation-duration: 1.5s;
}
.tip {
    color: white;
    animation: fadeIn;
    animation-duration: 1.5s;
}
.prompt {
    background-color: rgba(0,0,0,0);
    border: solid rgba(0,0,0,0);
    font-size: 25px;
    color: white;
    font-weight: bold;
    outline: none;
    animation: fadeIn;
    animation-duration: 1.5s;
}
.send {
    background: rgb(19, 19, 78);
    color: white;
    border: solid white;
    border-radius: 20px;
    width: 10%;
    padding: 20px 0 20px 0;
    margin-top: 20px;
    transition: color 0.5s, background 0.5s, border 0.5s;
    cursor: pointer;
    font-size: 20px;
    font-weight: bolder;
    animation: fadeIn;
    animation-duration: 1.5s;
}
.send:hover {
    color: rgb(19, 19, 78);
    background: white;
    border: solid rgb(19, 19, 78);
    animation: fadeIn;
    animation-duration: 1.5s;
}
.goback {
    color: white;
    background: rgb(19, 19, 78);
    padding: 10px 20px 10px 20px;
    border: solid white;
    border-radius: 15px;
    font-weight: bold;
    transition: color 0.5s, background 0.5s, border 0.5s;
    animation: fadeIn;
    animation-duration: 2s;
    text-decoration: none;
}
.goback:hover {
    color: rgb(19, 19, 78);
    background: white;
    border: solid rgb(19, 19, 78);
}