.box-loader {
    position: fixed;
    background-color: rgba(255,255,255,0.7);
    width: 100vw;
    height: 100vh;
    z-index: 9;
}
.loader {
    background-color: #fff;
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    text-align: center;
    position: fixed;
    background: none;
    width: 50px;
    height: 50px;
    margin-left: auto;
    margin-right: auto;
}

.loader::after {
    display: block;
    position: relative;
    content: '';
    width: 45px;
    height: 45px;
    border-radius: 100%;
    border-top: 1px solid #bbd0f3;
    border-bottom: 1px solid #0143ad;
    border-left: 1px solid #0143ad;
    border-right: 1px solid #bbd0f3;
    opacity: .7;
    animation: spin 600ms linear infinite;
}

.loader.hiden {
    z-index: -1;
    opacity: 0;
    transition: opacity 1s ease 0.5s, z-index 0.1s ease 1.5s;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}
.text-loader {
    width: 100px;
    height: 20px;
    text-align: center;
    font-size: 12px;
    letter-spacing: 6px;
    color: #000;
    position: absolute;
    top: 60px;
}