*, *:before, *:after {
    box-sizing: border-box;
}

body {
    background-color: white;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
}

img {
    max-width: 100%;
}

#main-wrapper {
    position: relative;
    margin: 0 auto;
    overflow: hidden;
    max-width: 480px;
    padding: 0 16px;
    margin-bottom: 80px;
}

#back-btn {
    width: 16px;
    height: auto;
    margin-right: 16px;
    padding: 11px 0;
}

#top-banner {
    display: flex;
    align-items: center;
    justify-content: start;
    margin-top: 32px;
    margin-left: 16px;
}

#top-title {
    font-weight: bold;
}

#main-title {
    margin-left: 16px;
    font-weight: bold;
    margin-top: 32px;
    margin-bottom: 16px;
    font-size: 1.15em;
}

.item {
    display: flex;
    margin: 0 16px;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.item-name {
    width: 128px;
    font-weight: 500;
    font-size: 0.9em;
}

.add-btn {
    color: #61B143;
    border: 1px solid #D3D6D7;
    padding: 4px 20px;
    font-size: 0.9em;
    cursor: pointer;
}

#popup-wrapper {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease-in-out;
}

#popup {
    position: relative;
    background-color: white;
    padding: 16px;
    width: 75%;
    max-width: 360px;
    border-radius: 8px;
    -webkit-box-shadow: 2px 3px 10px 0px rgba(99, 83, 83, 0.75);
    -moz-box-shadow: 2px 3px 10px 0px rgba(99, 83, 83, 0.75);
    box-shadow: 2px 3px 10px 0px rgba(99, 83, 83, 0.75);
}

#close-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 16px;
    cursor: pointer;
}

#footer {
    position: fixed;
    bottom: -4px;
    left: 0;
    width: 100%;
    text-align: center;
}

#footer img {
    width: 100%;
    max-width: 480px;
}