.form-group {
    margin-top: 10px;
}
.content {
    padding: 20px;
}

.textarea {
    display: inline; 
    min-height: 30px;    
}
.textarea-number {
    position: relative;
    right: 63px;
    bottom: 10px;
    display: inline-block;
    text-align: right;
    width: 4em;
}

.page-loading-container {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}
.page-loading {
    width: 120px;
    padding: 95px 10px 25px;
    font-size: 14px;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    text-align: center;
    color: #fff;
    background-color: rgba(34, 34, 34, 0.5);
    height: 24px;
    line-height: 24px;
    border-radius: 8px;
    position: absolute;
}
.page-loading::before, .page-loading::after {
    content: "\200B";
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    border: 3px solid;
    box-sizing: border-box;
    border-radius: 100%;
    animation: pageLoadingRotate 1.2s 0s ease-in-out infinite;
}
.page-loading::before {
    width: 60px;
    height: 60px;
    top: 20px;
    border-color: transparent #fff;
}
.page-loading::after {
    width: 28px;
    height: 28px;
    top: 36px;
    animation-duration: 0.6s;
    border-color: #fff transparent;
    animation-direction: reverse;
}
@keyframes pageLoadingRotate {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(0.6);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}