* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
}

.main {
    height: 100vh;
    width: 100vw;
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-and-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 50px;
}

.box {
    height: 300px;
    width: 700px;
    background-color: teal;
    color: white;
    box-shadow: 0 0 50px 20px rgba(64, 224, 208, 0.5);
    padding: 0 40px;
    border: 3px solid turquoise;
}

.box h1 {
    font-size: 28px;
    font-weight: 500;
    margin-top: 70px;
    margin-bottom: 20px;

}

.box p {
    font-size: 17px;
    font-weight: 300;
}

a {
    text-decoration: none;
}

.btn {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: steelblue;
    color: white;
    height: 60px;
    width: 210px;
    position: relative;
    z-index: 1;
    ;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    background-color: slategrey;
    height: 100%;
    width: 20%;
    z-index: -1;
    transition: all 0.3s ease;
}

.btn::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    background-color: teal;
    height: 100%;
    width: 20%;
    transition: all 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 50%;
}

.btn:hover::after {
    width: 50%;
}