* {
    box-sizing: border-box;
}

body {
    box-shadow: inset 0 0 0 2000px rgb(0 0 0 / 30%);
    margin: 0;
    background-position: center !important;
    background-size: cover !important;
    background-attachment: fixed !important;
    background-repeat: no-repeat !important;
}

main {
    position: relative;
    margin: 0 auto;
    display: block;
    max-width: 550px;
    height: 100vh;
    overflow: auto;
}

main > .contents {
    padding: 30px;
    width: 100%;
}

@media screen and (min-height: 600px) {
    main > .contents {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
}

.text-small {
    font-size: 14px;
}

.text-center {
    text-align: center;
}

.white, .white a {
    color: white;
}
h1 {
    font-size: 24px !important;
    font-weight: bold !important;
    line-height: 1.25 !important;
    text-align: center !important;
    color: #222;
    margin-bottom: 50px !important;
}
.success main > .contents {
    display: flex;
    justify-content: center;
    align-items: center;
}

.success main > .contents,
.page-tags main > .contents,
.register main > .contents {
    border-radius: 10px;
}

.flex__buttons .btn:first-child:last-child {
    display: block;
    width: 100%;
}

.flex__buttons .btn {
    display: inline-block;
    width: calc(50% - 10px);
}

.flex__buttons .btn:first-child {
    margin-right: 10px;
}

.success-icon:before {
    line-height: normal;
    display: block;
    font-family: 'LineIcons';
    font-size: 50px;
    color: #8BC34A;
    content: "\e94c";
}

.welcome-title {
    font-weight: 600;
    margin-bottom: 30px;
    font-size: 32px;
    line-height: 1.19;
    color: #fff;
}

.border-radius {
    border-radius: 10px;
}

@media only screen and (max-width: 600px) {
    main {
        max-width: initial;
    }

    body.success,
    body.page-tags,
    body.register {
        overflow: hidden;
        position: fixed;
        width: 100vw;
    }

    body.success main > .contents,
    body.page-tags main > .contents,
    body.page-register-complete main > .contents,
    body.register main > .contents {
        border-radius: 0;
        height: 100%;
        overflow: auto;
        top: initial;
        left: initial;
        transform: initial;
        position: initial;
    }
}