.exam-btn {
    min-width: 320px;
    text-align: center;
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    transition: .4s;
    animation: pulse 3s infinite;
    box-shadow: 0 8px 25px rgba(0,0,0,.25);
}

/* NEET */
.neet-btn {
    background: linear-gradient(45deg,#28a745,#00c853);
}

/* JEE */
.jee-btn {
    background: linear-gradient(45deg,#ff5722,#ff9800);
}

.exam-btn:hover {
    color: #fff;
    transform: translateY(-5px) scale(1.05);
    text-decoration: none;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0,0,0,.4);
    }

    70% {
        transform: scale(1.03);
        box-shadow: 0 0 0 15px rgba(0,0,0,0);
    }

    100% {
        transform: scale(1);
    }
}

/* Mobile */
@media(max-width:768px) {

    .d-flex {
        flex-direction: column;
    }

    .exam-btn {
        width: 100%;
        min-width: 100%;
        margin-bottom: 12px;
        font-size: 18px;
    }
}