body {
    background-color: #1a1a1c;
    color: #fff;
    font-size: 30px;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.quad {
    border: 4px solid #383838;
    background: #2f2f2f;
    border-radius: 7%;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8dff8d;
    position: relative;
}

.text {
    opacity: 0;
    transition: opacity .3s 1s ease;
}

.line {
    position: absolute;
    border-radius: 100px;
    top: -50%;
    left: -300px;
    height: 40px;
    width: 0;
    background: #413f3f;
    transition: width 1s;
}

.quad:hover .line {
    width: 900px;
}

.quad:hover span {
    opacity: 1;
}