.land_btn {
    position: absolute;
    /* top: 52%; */
    /*left: 42%;*/
    transform: translate(-50%,-50%);
    color: #ffffff;
    padding: 7px 20px 8px 20px;
    font-size: 30px;
    margin: 0 auto;
    letter-spacing: 2px;
    text-decoration: none;
    box-shadow: 0 20px 50px rgba(0,0,0,.5);
    background: rgb(41, 29, 37) !important;
    
}

    .land_btn:before {
        content: '';
        position: absolute;
        top: 2px;
        left: 2px;
        bottom: 2px;
        width: 50%;
        background: rgba(255,255,255,0.05);
    }

    .land_btn span:nth-child(1) {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background: linear-gradient(to right,#0c002b,#f86e02);
        animation: Trivenibtnanimate 2s linear infinite;
    }

@keyframes Trivenibtnanimate {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateY(100%);
    }
}

.land_btn span:nth-child(2) {
    position: absolute;
    top: 0;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom,#0c002b,#f86e02);
    animation: Trivenibtnanimate1 2s linear infinite;
}

@keyframes Trivenibtnanimate1 {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateY(100%);
    }
}

.land_btn span:nth-child(3) {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to left,#0c002b,#f86e02);
    animation: Trivenibtnanimate2 2s linear infinite;
}

@keyframes Trivenibtnanimate2 {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateY(100%);
    }
}

.land_btn span:nth-child(4) {
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to top,#0c002b,#f86e02);
    animation: Trivenibtnanimate3 2s linear infinite;
}

@keyframes Trivenibtnanimate3 {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateY(100%);
    }
}

@media screen and (max-width: 320px) {
}