.main__col {
    justify-content: center;
    display: flex;
}



.circle__logo {
    display: flex !important;
    animation: rotate360 100s linear infinite;
    height: auto;
    position: absolute;
    top: 15%;
    width: 250%;
}



.bx-authform .btn.btn-primary {
    margin-top: 30px;
}

@keyframes rotate360 {
    0% {
        transform:rotate(0deg)
    }
    to {
        transform:rotate(1turn)
    }
}