.menu_container{
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}
.menu_container .menu_item{
    margin: 0;
    padding: 0;
    position: relative;
}
.menu_container .menu_item .menu_item_link{
    color: rgba(255,255,255,.7);
    -webkit-transition: height 300ms,color 300ms,background-color 300ms,-webkit-transform .2s;
    transition: height 300ms,color 300ms,background-color 300ms,-webkit-transform .2s;
    -o-transition: transform .2s,height 300ms,color 300ms,background-color 300ms;
    transition: transform .2s,height 300ms,color 300ms,background-color 300ms;
    transition: transform .2s,height 300ms,color 300ms,background-color 300ms,-webkit-transform .2s;
    display: block;
    line-height: 2.5rem;
    height: 2.5rem;
    padding: 0 1.5rem 0 45px;
    position: relative;
    border-radius: 0.25rem;
    white-space: nowrap;
}

.menu_container .menu_item i.metismenu-state-icon, .menu_container .menu_item i.metismenu-icon {
    opacity: .5;

    text-align: center;
    width: 34px;
    height: 34px;
    line-height: 34px;
    position: absolute;
    left: 5px;
    top: 50%;
    margin-top: -17px;
    font-size: 1.5rem;
    opacity: .3;
    -webkit-transition: color 300ms;
    -o-transition: color 300ms;
    transition: color 300ms;

}

.menu_container .menu_item i.caret-left {
    -webkit-transition: -webkit-transform 300ms;
    transition: -webkit-transform 300ms;
    -o-transition: transform 300ms;
    transition: transform 300ms;
    transition: transform 300ms,-webkit-transform 300ms;
    left: auto;
    right: 0;
}