#Background{
    position: absolute;
    width: 1520px;
    height: 675px;
}
@font-face {
    font-family: "RETRO";
    src: url(retro_gaming/RetroGaming.ttf);
}

#title{
    width: 500px;
    left: 500px;
    top: 80px;
    position: absolute;
}

#header{
    position: absolute;
    left: 700px;
    top: 200px;
}
#Bubble{
    width: 600px;
    position: absolute;
    left: 475px;
    top: 10px;
}

h3{
    font-size: xx-large;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}
p{
    font-size: x-small;
}

#box2{
    width: 200px;
    height: 50px;
    padding: 15px;
    border-radius: 5%;
    border-width: 5px;
    background-color: #fff586;
    text-emphasis-color: azure;
    font-size: xx-large;
    font-family: "RETRO";
    text-align: center;
    align-items: center;
    align-content: center;
    position: absolute;
    left: 635px; 
    top: 500px;
    box-shadow: 10px 10px 5px rgb(45, 45, 45);
    animation-name: spring;
    animation-play-state: running;
    animation-duration: 3s;
    animation-iteration-count: infinite;
}

@keyframes spring {
    0%{filter: brightness(100%);}
    10%{filter: brightness(150%);}
    20%{filter: brightness(100%);}
    30%{filter: brightness(150%);}
    40%{filter: brightness(100%);}
}