* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-height: 600px;
    max-width: 600px;
}

.backarrow {
    background: white;
    position: relative;
    justify-content: start;
    margin-left: 40px;
    margin-top: 60px;
    border-radius: 30px;
    padding: 15px;
    transition: all 300ms ease-in-out;
}

.backarrow img {
    max-width: 60px;
    max-height: 60px;
}

.backarrow:hover {
    background: whitesmoke;
}

.welcome {
    margin-top: 20px;
    color: white;
    text-align: center;
}

.welcome img {
    width: 200px;
}

.tnt {
    text-align: center;
}

.win-shift-s {
    background-color: white;
    padding: 40px 50px;
    border-radius: 17px;
    margin: 10px 25%;
}

.game-boost {
    background-color: white;
    padding: 40px 50px;
    border-radius: 17px;
    margin: 10px 25%;
}

.bye {
    color: white;
    margin-top: 20px;
}

.bye a {
    text-decoration: none;
    color: pink;
}

@media only screen and (-webkit-min-device-pixel-ratio: 2) {
    p {font-size: 25px;}
    .win-shift-s, .game-boost {width: 650px;}
    img {max-width: 500px;}
    .bye p, a {font-size:30px;}
}