.seu{
    font-size: 10px;
    font-family: $site-font;
    line-height: 1.2;
    @include RWD(tablet){
        padding: 0;
    }
    @include RWD(mobile){
        padding: 0;
    }
    &.seu-no-scroll,
    &.seu-no-scroll .seu-body{
        height: 100%;
        overflow: hidden;
    }

    .seu-body{
        overflow-x: hidden;
        position: relative;
    }
    .seu-container{
        @extend %container;
    }
    ::selection{
        background-color: $core-color;
        color: #FFFFFF;
    }
    ::-moz-selection{
        background-color: $core-color;
        color: #FFFFFF;
    }
    ::-webkit-input-placeholder {
        opacity: 1 !important;
    }
    :-moz-placeholder{ 
        opacity: 1 !important;
    } 
    ::-moz-placeholder { 
        opacity: 1 !important;
    }
    :-ms-input-placeholder {  
    opacity: 1 !important;
    }
    .element-invisible, .hidden{
        display: none;
    }

}