style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
}

.container{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.conteudo{
    width: 80%;
    height: 60%;
}

.area-logo{
    color: rgb(9, 156, 107);
    display: flex;
    justify-content: center;
}

h1{
    font-size: 32px;
}

#text{
    border: none;
    text-decoration: none;
    border-radius: 10px;
    padding: 10px;
    outline: none;
    resize: none;
    width: 100%;
    height: 100%;
    margin: 3% 0 0 0;
    border: solid 1px rgb(146, 139, 139);
}

h2{
    margin: 3% 0;
}

.area-efeitos-p{
    display: flex;
    justify-content: center;
}

.efeito{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(164, 192, 192);
    position: relative;
    width: 50px;
    height: 25px;
    border-radius: 15px;
    margin-right: 3%;
    cursor: pointer;
    box-shadow: none;
    outline: none;
}

.efeito:first-child{
    border: solid 2.5px rgb(9, 156, 107);
}


.area-botoes{
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 3% 0;
}

button{
    width: 70px;
    height: 40px;
    margin-right: 3%;
    text-decoration: none;
    border: none;
    background-color: rgb(9, 156, 107);
    cursor: pointer;
    border-radius: 10px;
    font-size: 18px;
}