body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #adabab;
}
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.footer {
    display: flex;
    justify-content: center;
    align-items: end;
    position: sticky;
    width: 100%;
    text-align: center;
    padding: 10px;
}

.footer p {
    margin: 0;
    font-size: 14px;
    color: black;
}

.footer p i {
    color: #f44336;
    animation: pulse 1.5s infinite;
}

.card {
    width: 420px;
    height: 800px;
    background: black;
    border-radius: 70px;
    border: 4px solid rgb(40, 40, 40);
    padding: 14px;
    position: relative;
    box-shadow: 4px 10px 30px rgba(0, 0, 0, 0.486);
}

.card-int {
    background-color: rgb(226, 226, 226);
    background-size: 400% 400%;
    background-position: 0% 0%;
    height: 100%;
    border-radius: 50px;
    transition: all 0.6s ease-out;
    overflow-y: scroll;
    scrollbar-width: none;
}

.top {
    position: absolute;
    top: 18px;
    right: 50%;
    transform: translate(50%, 0%);
    width: 25%;
    height: 4%;
    background-color: black;
    border-radius: 20px 20px 20px 20px;
}

.speaker {
    position: absolute;
    top: 4px;
    right: 50%;
    transform: translate(50%, 0%);
    width: 80%;
    height: 4px;
    border-radius: 4px;
    background-color: rgb(20, 20, 20);
}

.camera {
    position: absolute;
    top: 12px;
    right: 84%;
    transform: translate(50%, 0%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.048);
}

.int {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    top: 50%;
    right: 50%;
    transform: translate(50%, -50%);
    background-color: rgba(0, 0, 255, 0.212);
}

.btn1,
.btn2,
.btn3,
.btn4 {
    position: absolute;
    width: 4px;
}

.btn1,
.btn2,
.btn3 {
    height: 90px;
    top: 30%;
    right: -8px;
    background-image: linear-gradient(to right, #111111, #222222, #333333, #464646, #595959);
}

.btn2,
.btn3 {
    transform: scale(-1);
    left: -8px;
}

.btn2,
.btn3 {
    transform: scale(-1);
    height: 60px;
}

.btn2 {
    top: 26%
}

.btn3 {
    top: 36%
}

* {
    box-sizing: border-box;
}

/* Remove margins and padding from the list */
ul {
    margin: 0;
    padding: 0;
}

/* Style the list items */
ul li {
    cursor: pointer;
    position: relative;
    padding: 12px 8px 12px 40px;
    background: #eee;
    font-size: 18px;
    margin: 6px 6px 6px 6px;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    color: #555;
    display: block;
    border-radius: 10px 10px 10px 10px;
    transition: 0.2s;

    /* make the list items unselectable */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Set all odd list items to a different color (zebra-stripes) */
ul li:nth-child(odd) {
    background: #f9f9f9;
}

/* Darker background-color on hover */
ul li:hover {
    background: white;
}

/* When clicked on, add a background color and strike out text */
ul li.checked {
    background: #888;
    color: #fff;
    text-decoration: line-through;
}

/* Add a "checked" mark when clicked on */
ul li.checked::before {
    content: '';
    position: absolute;
    border-color: #fff;
    border-style: solid;
    border-width: 0 2px 2px 0;
    top: 16px;
    left: 16px;
    transform: rotate(45deg);
    height: 15px;
    width: 7px;

}

/* Style the close button */
.close {
    position: absolute;
    right: 0;
    top: 0;
    width: 13%;
    height: 100%;
    padding: 12px 16px 12px 16px;
    border-radius: 0px 10px 10px 0px;
    transition: .3s;
}

.close:hover {
    background-color: #f44336;
    color: white;
}

/* Style the header */
.header {
    background-color: #f5574c;
    padding: 30px 30px;
    color: white;
    text-align: center;
}

.header input {
    width: 80%;
    background-color: #fff;
    color: #555;
    padding: 12px;
    border: none;
    border-radius: 5px 0px 0px 5px;
    font-size: 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    float: left;
}

.header input:focus {
    outline: none;
}

.header span {
    padding: 12px;
    border: none;
    border-radius: 0px 5px 5px 0px;
    font-size: 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Clear floats after the header */
.header:after {
    content: "";
    display: table;
    clear: both;
}

/* Style the "Add" button */
.addBtn {
    padding: 10px;
    width: 20%;
    background: #fff;
    color: #555;
    float: left;
    text-align: center;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
    border-radius: 0;
}

.addBtn:hover {
    background-color: #eee;
    color: #000;
}

@keyframes pulse {
    0% {
        transform: scale(1, 1);
    }

    50% {
        transform: scale(1.1, 1.1);
    }

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