body {
    margin: 0;
    overflow: hidden;
}
.backdrop {
    background: url("/images/img-background.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 1000;
}
.backdrop .loading {
    width: 100%;
    min-width: 700px;
    max-width: 1000px;
    height: auto;
    position: relative;
}
.backdrop .progress {
    width: 235px;
    height: 5px;
    border-radius: 11px;
    background: #fff;
    position: absolute;
    bottom: 25%;
    left: calc(50% - 117px);
    display: none;
}

.backdrop .content {
    position: absolute;
    left: 0;
    top: 0;
    width: 95%;
    height: 5px;
    border-radius: 30px;
    background: linear-gradient(135deg, #00c7de 0%, #1a8cff 54.9%, #0071f2 100%);
    -webkit-animation: load 3s;
    animation: load 3s;
}
@-webkit-keyframes load {
    0% {
        width: 0;
    }
    100% {
        width: 95%;
    }
}
@keyframes load {
    0% {
        width: 0;
    }
    100% {
        width: 95%;
    }
}