* {
    margin: 0;
    padding: 0;
    font-size: 14px;
}

button {
    font-weight: 500;
    border-radius: 4px;
    background-color: #2196f3;
    padding: 6px 16px;
    font-size: 0.875rem;
    border: 0;
    color: #fff;
}
button:hover {
    background-color: #1976d2;
}

.body {
    background-image: url(../img/background1.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

@media (min-width:500px) {
    .body {
        width: 501px;
        margin: 0 auto;
        background-size: 500px 100%;
        background-position: center;
    }
}

.background {
    background:rgba(255,255,255,0.9);
}

.big_title {
    text-align: center;
    margin: 0px auto;
    padding-top: 50px;
    padding-bottom: 15px;
}

.big_title_span {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 400;
    position: relative;
}

.big_title_span::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: -2%;
    height: 2px;
    background-color: #008aff;
    animation: blueline .5s ease .5s;
    animation-fill-mode: forwards;
}

.small_title {
    color: #888;
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.66;
    letter-spacing: 0.03333em;
    text-align: center;
    margin-bottom: 50px;
}

.main {
    width: 80%;
    margin: 20px auto;
}

.swipers {
    width: 100%;
    height: 300px;
}

.button_div {
    text-align: center;
    margin-top: 10px;
}

.imgs {
    height: 80%;
    width: 100%;
}

.guide {
    margin-top: 10px;
    margin-bottom: 10px;
}

.photo-img3 {
    height: 67.5%;
    width: 80%;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
}

#photo-img3-preview {
    border: 1px solid black;
}

.tips {
    text-align: center;
    margin-top: 15px;
}

.preview {
    margin: 0 auto;
}

.preview_img {
    width: 100%;
    height: 90%;
    border: 1px solid black;
}

.copyright {
    color: #888;
    text-align: center;
    width: 100%;
    margin: 0px auto;
    padding-top: 60px;
    padding-bottom: 20px;
    line-height: 1.5;
    font-size: 12px;
}

.file {
    position: relative;
    display: inline-block;
    background: #2196f3;
    border: 0;
    border-radius: 4px;
    overflow: hidden;
    color: #fff;
    text-decoration: none;
    text-indent: 0;
    font-weight: 500;
    background-color: #2196f3;
    padding: 6px 16px;
    font-size: 0.875rem;
}

.file input {
    position: absolute;
    font-size: 100px;
    right: 0;
    top: 0;
    opacity: 0;
}

.file:hover {
    background: #1976d2;
    border: 0;
    text-decoration: none;
}

@keyframes blueline {
    from {
      width: 0;
    }
  
    to {
      width: 105%;
    }
  }