.qrscanner {
    background: none;
    height: calc(100vh - 45px);

}

.qrscanner-area {
    width: 100%;
    height: 86%;
    background: url('/assets/scanner.png') no-repeat center center;
    background-size: contain;
}

.through-line {
    left: 25%;
    width: 50%;
    height: 2px;
    background: red;
    position: absolute;
    animation: myfirst 2s linear infinite alternate;
}

@keyframes myfirst {
    0% {
        background: red;
        top: 30%;
    }

    25% {
        background: yellow;
        top: 35%;
    }

    50% {
        background: blue;
        top: 40%;
    }

    75% {
        background: green;
        top: 45%;
    }

    100% {
        background: red;
        top: 50%;
    }
}

.button-bottom {
    display: flex;
    justify-content: center;

    .icon-camera {
        width: 50px;
        height: 50px;
        border-radius: 100%;
        border: 0;
        background: blue;
        color: #fff;
    }
}