html {
    box-sizing: border-box;

    body {
        font-family: 'Open Sans';
        font-weight: 400;
        font-size: 14px;
        line-height: 1.5em;
        -webkit-font-smoothing: antialiased;
        background-color: $background-accent;
    }
}

button {
    border-radius: 24px;
    font-weight: 400;
    border: none;
    box-shadow: 1px 1px 0px $dark-shadow;
    font-size: 12px;
    -webkit-font-smoothing: antialiased;
}

.button-group {

    button:not(:first-child):not(:last-child) {
        border-bottom-right-radius: 0px;
        border-top-right-radius: 0px;
        border-bottom-left-radius: 0px;
        border-top-left-radius: 0px;
        margin-left: -3px;
    }

    button:first-child {
        border-bottom-right-radius: 0px;
        border-top-right-radius: 0px;
    }

    button:last-child {
        border-bottom-left-radius: 0px;
        border-top-left-radius: 0px;
        margin-left: -3px;
    }

}

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

.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

html {
    box-sizing: border-box;

    body {
        font-family: 'Open Sans';
        font-weight: 400;
        font-size: 14px;
        line-height: 1.5em;
        -webkit-font-smoothing: antialiased;
        background-color: $background-accent;
        min-width: 745px;
    }
}

button {
    border-radius: 24px;
    font-weight: 400;
    border: none;
    box-shadow: 1px 1px 0px $dark-shadow;
    font-size: 12px;
    -webkit-font-smoothing: antialiased;
}

.button-group {

    button:not(:first-child):not(:last-child) {
        border-bottom-right-radius: 0px;
        border-top-right-radius: 0px;
        border-bottom-left-radius: 0px;
        border-top-left-radius: 0px;
        margin-left: -3px;
    }

    button:first-child {
        border-bottom-right-radius: 0px;
        border-top-right-radius: 0px;
    }

    button:last-child {
        border-bottom-left-radius: 0px;
        border-top-left-radius: 0px;
        margin-left: -3px;
    }

}

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

.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

Set min supported width on body.
Set min supported width on body.