body {
    font-family: Avenir, 'Avenir Next LT Pro', Montserrat, Corbel, 'URW Gothic', source-sans-pro, sans-serif;
    margin: 0;
    padding: 0;
    padding: 2em;
}
section {
    gap: 1em;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
label {
    line-height: 2em;
}
section div {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 50vh;
    gap: 1em;
}
section div:last-of-type{
    position: relative;
}
textarea {
    padding: .5em;
    width: calc(100% - 1em);
    height: calc(100% - 1em);
    display: block;
} 
output {
    display: block;
    background: rgb(215, 215, 216);
    padding: 1em;
    border-radius: .5em;
}
button {
    flex: 1 1 100%;
    font-family: inherit;
    font-size: 1.2rem;
    border: none;
    background-color: transparent;
    cursor: pointer;
    background: skyblue;
    padding: .4em;
    border-radius: .5em;
}
output li {
    line-height: 2;
}
a {
    color: #000;
}
h1 {
    text-transform: uppercase;
    font-size: 2rem;
    font-weight: normal;
    letter-spacing: -1px;
}
#copy {
    z-index: 10;
    color: black;
    position: absolute;
    right: 5px;
    background: transparent;
    border-radius: 5px;
    font-family: inherit;
    border: none;
    text-align: center;
    font-size: 0.9em;
    cursor: pointer;
    width: 2em;
    height: 2em;
    display: block;
    padding: .2em;
  }
#copy span {
    top: 5px;
    left: 7px;
    position: absolute;
  }