textarea {
    width: 70%;
    height: 120px;
    display: block;
    margin: 1rem;
    padding: 1.3rem;
    border-radius: 1rem;
    outline: none;
    opacity: 0.9;
    font-size: x-large;
}

div{
   
    font-size: xx-large;
    font-weight: bolder;
}
.btn{
    padding: 1.5rem;
    border-radius: 2rem;
    font-size: large;
    outline: none;
    position: relative;
    left: 908px;   
    opacity: 0.8;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

.head{
    display: block;
    border-radius: 2rem;
    padding: 0.7rem;
    background-color: lightblue;
    width: fit-content;
    opacity: 0.8;
    position: relative;
    left: 10%;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
   
}
#txt{
    position: relative;
    left: 30%;
    
}

#output {
    border: 1px solid black;
    width: 70%;
    height: 120px;
    margin: 1rem;
    padding: 1rem;
    background-color: white;
    border-radius: 1rem;
    opacity: 0.9;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    text
}

body{
    background-image: url(https://s3-ap-northeast-1.amazonaws.com/psh-ex-ftnikkei-3937bb4/images/9/1/8/0/3020819-2-eng-GB/1019N-USJ-Minions.jpg);
}