.box2 {width: auto; height: auto; background: linear-gradient(rgb(104, 150, 211), indigo);
    outline: 20px solid rgb(253, 255, 146); border: 15px solid yellow; border-radius: 10px; border-style: groove;}
h1,h2,h3 {color: white}
h1,h2,h3{font-family: courgette, cursive;
text-align: center}
.band {text-decoration: underline}
h1 {font-size: 300px; text-shadow: 5px 6px yellow;}
h2 {font-size: 50px}
h3{font-size: 30px; text-decoration: line-through;
      }
.box {
    padding: 30px
width: 600px; height: 600px
margins: auto}
img { 
    max-width: 100%;
        }
    img.picture {
        display: none;
      }
      img.hidden {
        display: none;
      }

        body { background-image: linear-gradient(green, blue);