style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    color: white;
    font-family: system-ui;
    background: #101415;
    background: #000103;
    overflow-x: hidden;
}
#text{
    font-family: cursive;
    margin: 17px;
    margin-top: 26px;
}
.app{
    display: flex;
    width: 64%;
    flex-wrap: wrap;
    margin: auto;
    flex-direction: column;
    text-align: center;
}
.Keybord{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-evenly;
}
#key{
    background: #000103;
    border: 1px solid #0c0cce;
    border-radius: 5px;
    padding: 10px 21px;
    margin: 8px 3px;
    color: black;
    color: white;
    transition: .5s ease-in-out;
    font-size: 25px;
}
#key:active{
    background: #6b6be8;
    color: white;
}
#key:hover{
    cursor: pointer;
}
.textArea{
    text-align: center;
    width: 100%;
    margin: auto;
    margin-bottom: 15px;
    margin-top: 10px;
}
.space{
    width: 69%;
    margin:  14px auto !important;
    border-radius: 3px;
}
textarea{
    background: #363c3f;
    width: 100%;
    height: 150px;
    max-width: 90%;
    max-height: 150px;
    min-width: 90%;
    min-height: 150px;
    margin: 0px 10px;
    border-radius: 10px;
    padding: 10px;
    font-family: sans-serif;
    font-size: 23px;
    color: white;
    outline: none;
}
::-webkit-scrollbar{
    background: none;
    width: 8px;
}
::-webkit-scrollbar-thumb{
    background-color: #202124;
    border-radius: 30px;
}