@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
    user-select: none;
}

html,
body {
    display: grid;
    height: 100vh;
    width: 100%;
    place-items: center;
    background: linear-gradient(to right, #99004d 0%, #ff0080 100%);
}

.container {
    background: #fff;
    max-width: 350px;
    width: 100%;
    padding: 25px 30px;
    border-radius: 5px;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.15);
}

.container form .title {
    font-size: 30px;
    font-weight: 600;
    margin: 20px 0 10px 0;
    position: relative;
}

.container form .title::before {
    content: '';
    position: absolute;
    height: 4px;
    width: 33px;
    bottom: 3px;
    left: 0;
    border-radius: 5px;
    background: linear-gradient(to right, #99004d 0%, #ff0080 100%);
}

.container form .input-box {
    width: 100%;
    height: 45px;
    margin-top: 25px;
    position: relative;
}

.container form .input-box input {
    height: 100%;
    width: 100%;
    outline: none;
    font-size: 16px;
    border: none;
}

.container form .underline:before {
    position: absolute;
    content: '';
    height: 2px;
    width: 100%;
    background: #ccc;
    left: 0;
    bottom: 0;
}

.container form .underline:after {
    position: absolute;
    content: '';
    height: 2px;
    width: 100%;
    background: linear-gradient(to right, #99004d 0%, #ff0080 100%);
    left: 0;
    bottom: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: all 0.3s ease;
}

.container form .input-box input:focus~.underline:after,
.container form .input-box input:valid~.underline:after {
    transform: scaleX(1);
    transform-origin: left;
}

.container form .button {
    margin: 40px 0 20px 0;
}

.container form .input-box input[type="submit"] {
    font-size: 17px;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    background: linear-gradient(to right, #99004d 0%, #ff0080 100%);
    transition: all 0.3s ease;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.container form .input-box input[type="submit"]:hover {
    letter-spacing: 1px;
    background: linear-gradient(to left, #99004d 0%, #ff0080 100%);
}

.container .option {
    font-size: 14px;
    text-align: center;
}

.container .twitter a,
.container .facebook a {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 45px;
    font-size: 15px;
    text-decoration: none;
    padding-left: 6px;
    color: #fff;
    line-height: 45px;
    border-radius: 5px;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.container .twitter i,
.container .facebook i {
    padding-right: 12px;
    font-size: 20px;
}

.container .twitter a {
    margin: 20px 0 15px 0;
    background: linear-gradient(to left, #00acee 0%, #1abeff 100%);
}

.container .twitter a:hover {
    background: linear-gradient(to right, #00acee 0%, #1abeff 100%);
}

.container .facebook a {
    margin: 20px 0 50px 0;
    background: linear-gradient(to left, #3b5998 0%, #476bb8 100%);
}

.container .facebook a:hover {
    background: linear-gradient(to right, #3b5998 0%, #476bb8 100%);
}

/* responsiveness */

@media (max-width: 410px) {

    .container {
        width: 90%;
    }

    .container form .title {
        margin-top: 10px;
    }

    .container .facebook a {
        margin-bottom: 20px;
    }
}

@media (max-width: 370px) {

    .container {
        padding: 20px;
    }
}

@media (max-width: 340px) {

    .container .facebook a {
        margin-bottom: 10px;
    }
}