/* Tùy chỉnh giao diện nút loader với chủ đề đỏ */
.loader button {
    width: 50%;
    height: 100px;
    position: fixed;
    left: 50%;
    top: 45%;
    transform: translateY(-50%);
    transform: translateX(-50%);
    background: center no-repeat #fff;
    z-index: 9999999999999999999999;
    font-size: 50px;
    outline: none;
    box-sizing: border-box;
    border: none;
    border-radius: .3em;
    text-transform: uppercase;
    box-shadow: 0 3px 6px rgba(0, 0, 0, .16), 0 3px 6px rgba(110, 20, 20, .4), inset 0 -2px 5px 1px rgba(139, 8, 8, 1), inset 0 -1px 1px 3px rgba(255, 99, 71, 1);
    background-image: linear-gradient(160deg, #a50707, #b41111, #ffb3b3, #bc1b1b, #a50707);
    border: 1px solid #a50707;
    color: rgb(120, 5, 5);
    text-shadow: 0 2px 2px rgba(255, 99, 71, 1);
    cursor: pointer;
    transition: all .2s ease-in-out;
    background-size: 100% 100%;
    background-position: center;
}

.golden-btn:focus,
.golden-btn:hover {
    background-size: 150% 150%;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23), inset 0 -2px 5px 1px #b11010, inset 0 -1px 1px 3px rgba(255, 99, 71, 1);
    border: 1px solid rgba(165, 7, 7, .6);
    color: rgba(120, 5, 5, .8);
}

.golden-btn:active {
    box-shadow: 0 3px 6px rgba(0, 0, 0, .16), 0 3px 6px rgba(110, 20, 20, .4), inset 0 -2px 5px 1px #b11010, inset 0 -1px 1px 3px rgba(255, 99, 71, 1);
}

.loader {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 999;
    background: url(img/back.png) center no-repeat #000;
}

.song {
    display: none;
}

body {
    background-color: #5e0808;
}

img {
    width: 100%;
}

.balloon-border {
    position: fixed;
    top: 100%;
    opacity: 0.5;
    z-index: 99999999;
}

.area {
    text-align: center;
    font-size: 70px;
    color: #C4515C;
    letter-spacing: -7px;
    font-weight: 700;
    text-transform: uppercase;
    animation: spin 2s ease-out infinite;
    text-shadow: 0px 0px 5px #fff, 0px 0px 7px #fff;
}

#nae {
    text-transform: capitalize;
}

#confetti {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
}

@keyframes spin {
    0% {
        transform: rotateZ(0);
    }

    25% {
        transform: rotateZ(10deg);
    }

    50% {
        transform: rotateZ(0deg);
    }

    75% {
        transform: rotateZ(-10deg);
    }
}

.type-wrap {
    font-size: 25px;
    color: #C4515C;

}

.cake {
    transform: translateY(-50%);
    transform: translateX(-50%);
    left: 50%;
    position: absolute;
    padding-top: 250px;
}