body {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', Courier, monospace;
    background: linear-gradient(to left bottom, lightblue, lightgreen);
}

h1, p {
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; 
    color: darkblue;
}

span {
    color: red;
    font-weight: 600;
}

.app {
    display: grid;
    grid-template-columns: repeat(auto-fill, 300px);
    gap: 40px;
    justify-content: center;
    padding: 50px;
}

.note {
    padding: 17px;
    border-radius: 15px;
    resize: none;
    font-size: 1rem;
    box-shadow: 0 0 3px rgba(0, 0, 0, .3);
    height: 200px;
    border: none;
    outline: none;
    color: darkblue;
    background-color: rgba(255, 255, 255, .1);
    box-sizing: border-box;
}

.note::placeholder {
    color: gray;
    opacity: 0.4;
}

.note:hover, .note:focus {
    box-shadow: 0 0 10px rgba(0, 0, 0, .3);
    transition: all 300ms ease;
}
 
.btn {
    height: 200px;
    border-color: rgba(0, 0, 0, .3);
    border-radius: 15px;
    background-color: rgba(255, 255, 255, .27);
    font-size: 70px;
    font-weight: 700;
    color: rgba(0, 0, 0, .3);
    cursor: pointer;

}

.btn:hover {
    background-color: rgba(255, 255, 255, .57);
    color: rgba(0, 0, 0, .6);
    transition: all 300ms ease;
}

