img, video {
    max-width: 100%;
    height: auto;
}

body {
    overflow-x: hidden;
    background-color: #f9f9f9;
}

.button-theme-9 {
    appearance: button;
    backface-visibility: hidden;
    background-color: #63A4E8;
    border-radius: 6px;
    border-width: 0;
    box-shadow: rgba(50, 50, 93, .1) 0 0 0 1px inset,rgba(50, 50, 93, .1) 0 2px 5px 0,rgba(0, 0, 0, .07) 0 1px 1px 0;
    box-sizing: border-box;
    color: #fff;
    cursor: pointer;
    font-family: -apple-system,system-ui,"Segoe UI",Roboto,"Helvetica Neue",Ubuntu,sans-serif;
    font-size: 100%;
    height: 44px;
    line-height: 1.15;
    outline: none;
    overflow: hidden;
    padding: 0 25px;
    position: relative;
    text-align: center;
    text-transform: none;
    transform: translateZ(0);
    transition: all .2s,box-shadow .08s ease-in;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    min-width: 320px;
}

.button-theme-9:disabled {
    cursor: default;
}

.button-theme-9:focus {
    box-shadow: rgba(50, 50, 93, .1) 0 0 0 1px inset, rgba(50, 50, 93, .2) 0 6px 15px 0, rgba(0, 0, 0, .1) 0 2px 2px 0, rgba(50, 151, 211, .3) 0 0 0 4px;
}

.theme-container {
    display: flex;
    justify-content: center;
}