.jumbotron{
    position: relative;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0,0,0,.4), 0 0 30px rgba(0,0,0,.075);
    background-color: #fff;
}
.masthead h2 {
    font-size: 18px;
    font-weight: 200;
    line-height: 1.25;
}
.masthead h1 {
    font-size: 60px;
    line-height: 1;
    letter-spacing: -2px;
    font-weight: 700;
}
p {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}
.masthead {
    width: 100%;
    margin-bottom: 0;
}
.file {
    position: relative;
    display: inline-block;
    background: #D0EEFF;
    border-radius: 4px;
    padding: 1.2rem 1.6rem;
    overflow: hidden;
    color: #1E88C7;
    text-decoration: none;
    text-indent: 0;
    line-height: 20px;
    font-size: 3rem;
}
.file input {
    position: absolute;
    font-size: 10rem;
    right: 0;
    top: 0;
    opacity: 0;
}
.file:hover {
    background: #AADFFD;
    border-color: #78C3F3;
    color: #004974;
    text-decoration: none;
}
.custom{
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 70px;
    line-height: 30px;
}
.input_color{
    display: block;
    outline:none;
    border: none;
    width: 50px;
    height: 30px;
    background: #F49AAF;
}
#select_number{
    display: block;
    width: 50px;
    height: 30px;
    border-radius: 5px;
    border: 1px solid #F8AAAA;
}
.input_color[type='color']::-webkit-color-swatch-wrapper{padding: 0;}
.input_color[type='color']::-webkit-color-swatch{border: 0;border-radius: 10px;}
.thumbnail {
    display: block;
    height: 310px;
    padding: 4px;
    margin-bottom: 20px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    max-width: 310px;
	max-height: 310px;
    min-width: 310px;
	min-height: 310px;
    line-height: 1.42857143;
    background-color: #fff;
    border: 1px solid #666;
    border-radius: 4px;
    -webkit-transition: border .2s ease-in-out;
    -o-transition: border .2s ease-in-out;
    transition: border .2s ease-in-out;
}
#show{
    height: 100%;
}
#show img{
    width: 100%;
    height: 100%;
}
#last img{
    width: 33.33333%;
    height: 33.333333%;
    padding: 1.5px;
    float: left;
}
#imgBox{
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
}
#imgBox img{
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -50px;
    margin-top: -50px;
}
#imgBox2{
    position: absolute;
    top: 110px;
    width: 100%;
    text-align: center;
}
#status{
    color: green;
}
#btn{
    margin-right: 50px;
}
.generate{
    margin-bottom: 20px;
    text-align: center;
}