*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.loader-container{
    width: 100%;
    height: 100vh;
    background-color: rgb(0, 0, 0);
    position: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.loader{
    width: 50px;
    height: 50px;
    border: 5px solid;
    color: #3498db;
    border-radius: 50%;
    border-top-color: transparent;
    animation: loader 1s linear infinite;
    z-index: 99999;
}

@keyframes loader{
    25%{
        color: #2ecc71;
    }
    50%{
        color: #f1c40f;
    }
    75%{
        color: #ffffff;
    }
    to{
        transform: rotate(360deg);
    }
}