body{
    font-family: "Microsoft YaHei", sans-serif;
}

.container{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;

    display: flex;
    justify-content: center;
    align-items: center;

}

.content{
    box-shadow: 0 0 10px 0;
    background-color: white;
    width: 400px;
    height: 400px;

    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;

    box-sizing: border-box;
    padding: 32px;
}

.row{
    width: 100%;
    display: flex;
    justify-content: center;
}

.row .img{
    width: 100%;
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.row #img{
    max-width: 100%;
    max-height: 100%;
}

.ipt {
    width: 50%;
    position: relative;
    text-decoration: none;
    text-align: center;
    font-size: 18px;
    padding: 8px;
    color: white;
    background-color: orangered;
    transition: background-color 0.3s;
}
.ipt input#ipt-file {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 100%;
    opacity: 0;
}
.ipt:hover {
    background-color: #ff5611;
}

.ipt:active{
    background-color: #ee3400;

}

#btn-upload{
    width: 50%;
    outline: none;
    cursor: pointer;
    font-size: 18px;
    border: none;
    color: white;
    background-color: #00a6de;
    transition: background-color 0.3s;
}
#btn-upload:hover{
    background-color: #00bfff;

}
#btn-upload:active{
    background-color: #0095cd;

}

#progress{
    height: 20px;
    width: 100%;
    border: 1px grey solid;
}

#progress-bar{
    height: 100%;
    background-color: grey;
}