style.css

@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700;1,800;1,900&family=Poppins:wght@400;500;600;700;800;900&display=swap');
* {
    margin: 0;
    padding: 0;
    font-family: Merriweather, sans-serif;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    background: linear-gradient(180deg, rgba(47, 118, 212, 0.692), rgba(22, 21, 21, 0.437)), url('images/img.jpg');
    backdrop-filter: blur(3px);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.header {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    padding-bottom: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(180deg, rgba(222, 225, 240, 0.446), rgba(255, 255, 255, 0.802));
    backdrop-filter: blur(50px);
}

.header .logo {
    width: 150px;
    cursor: pointer;
}

.content {
    background: linear-gradient(180deg, rgba(155, 192, 234, 0.718), rgba(155, 172, 234, 0.718) );
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(1, 31, 100, 0.36);
    line-height: 2;
    margin-top: 3rem;
}

.content h1 {
    padding-bottom: 20px;
    color: transparent;
    font-size: 1.6rem;
    font-weight: 700;
    font-family: Poppins, sans-serif;
    font-style: italic;
    text-transform: uppercase;
    animation: colorchange 6s infinite alternate;
}

@keyframes colorchange {
    0% {
        color: #c80c0c;
    }
 
    100% {
        color: #082671;
    }
}

.content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #111954;
    text-transform: uppercase;
    padding: 20px;
}

.content .act {
    font-size: 2.5rem;
    font-family: Poppins, sans-serif;
    color: transparent;
    font-weight: 900;
    padding-top: 0;
    animation: effect 2s linear infinite;
}

@keyframes effect {
    0% {
        background: linear-gradient(
            #022b27, #000FFF);
        -webkit-background-clip: text;
    }
 
    100% {
        background: linear-gradient(
            #d50404, #022b27);
        -webkit-background-clip: text;
    }
}

.content p {
    color: #111954;
    font-weight: 700;
    font-size: 1.4rem;
    padding-bottom: 20px;
}

.content .btn {
    color: #111954;
    padding: 10px 15px;
    font-size: 1.2rem;
    margin: 10px 0 20px;
    border-radius: 20px;
    border: none;
    background-color: #bfc6fb;
    box-shadow:3px 8px 9px rgba(12, 20, 65, 0.871);
    cursor: pointer;
}

.content .btn:hover {
    background-color: #111954;
    color: #fff;
}

/* css for mobile screens */
@media only screen and (max-width: 768px) {
    /* For mobile phones: */
    .header .logo {
        width: 130px;
    }
    .content {
        width: 100%;
    }
    .content h1 {
        font-size: 1.3rem;
    }

    .content h2 {
        font-size: 1.2rem;
        padding-bottom: 20px;
    }
    
    .content .act {
        font-size: 1.5rem;
    }
    
    .content p {
        font-size: 1rem;
    }
    .content .btn {
        color: #111954;
        padding: 10px 15px;
        font-size: 1rem;
    }
}