* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    font-family: "Signika Negative", sans-serif;
}

html {
    font-size: 62.5%;
}

.container {
    width: 100%;
    height: 100vh;
    background-color: #161a1d;
    display: flex;
    justify-content: center;
    align-items: center;
}

.search-bar {
    width: 8rem;
    height: 8rem;
    background-color: #fff;
    border-radius: 10rem;
    box-shadow: 0 1rem 6rem rgba(0, 0, 0, 0.6);
    text-align: right;
    position: relative;
    transition: width 0.5s cubic-bezier(0.9, 0, 0.3, 0.9);
}

.change .search-bar {
    width: 45rem;
}


.search-bar input {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 10rem;
    background-color: none;
    padding: 1rem 7.5rem 1rem 2rem;
    font-size: 2rem;
    opacity: 0;
    transition: opacity 0.5s;
}

.change .search-bar input {
    opacity: 1;
    transition: opacity 0.5s 0.3s;
}

.search-bar i {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
    width: 7rem;
    height: 7rem;
    background-color: #ed3758;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    color: #fff;
    cursor: pointer;
    transition: opacity 0.3s 0.3s;
}

.search-bar i:nth-child(3) {
    opacity: 0;
}

.change .search-bar i:nth-child(3) {
    opacity: 1;
}

.change .search-bar i:nth-child(2) {
    opacity: 0;
}