style.css

:root{
    --colour1: #f1c40f;
    --colour2: #2c3e50;
    --speed: 1s;
}


@font-face {
    font-family: 'pokefont';
    src: url('fonts/pokemon_fire_red.woff') format('woff'), /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
        url('fonts/pokemon_fire_red.ttf') format('truetype'); /* Chrome 4+, Firefox 3.5, Opera 10+, Safari 3—5 */
}  

#container{
    border: 3px solid black;
    border-radius: 3px;
}

@media only screen and (min-width:960px) {
    #container{
        width: 250px;
    }

    h2{
        font-size: 3em;
    }

    .all{
        display: flex;
        margin: auto;
        width: 70%;
    }

    .container{
        width: 10%;
    }

    .inputs{
        width: 40%;
        top: 100px;
        margin-right: 5%;
        background-color: #ffffff99;
        padding: 10px;
        border-radius: 10px;
    }
}

@media only screen and  (max-width:960px) {
    #container{
        width: 90%;
    }
    h2{
        font-size: 4.5vh;
    }
    body{
        border: 3px solid #00000055;
        height: 100%;
        border-radius: 5px;
    }
    .inputs{
        margin: 10px;
        margin-top: 20px;
    }
    .container{
        width: 100%;
    }
}

h2{
    font-family: "pokefont";
}

.container{
    text-align:center;
}

canvas{
    font-family: "pokefont";
}
  
@keyframes slide {
    from {
        background-position-x: 0;
    }
    to {
        background-position-x: 100px;
    }
}
  
.bar {
    min-height: 30px;
    border-radius: 10px;
    width: 100%;
    @media only screen and (max-width: 450px) {
    width: 100%;
    }
    @media only screen and (max-width: 350px) {
    width: 100%;
    }
    box-shadow: 0px 10px 13px -6px rgba(44, 62, 80, 1);
    background-color: var(--colour2);
    background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 5%,
    var(--colour1) 5%,
    var(--colour1) 10%
    );

    animation: slide var(--speed) linear infinite;
    will-change: background-position;
}

#gif{
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#download-button{
    margin-top: 10px;
}

#modal-body{
    text-align: center;
}

#generate-button{
    width: 100%;
}