.margin-top10{
    margin-top: 10px;
}

.margin-top20{
    margin-top: 20px;
}

.margin-top100{
    margin-top: 100px;
}

.margin-top50{
    margin-top: 50px;
}

.normal-nav{
    background: rgba(0,0,0,0.45);
}

.label-title{
    width: 120px;
    text-align: right;
    padding-right: 5px;
}
.toast {
    visibility: hidden;
    min-width: 250px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 199999999;
    left: 44%;
    bottom: 30px;
    font-size: 17px;
    transition: visibility 0s, opacity 0.5s linear;
    opacity: 0;
}

.toast.show {
    visibility: visible;
    opacity: 1;
}
.container img{
    width: 100%;
}