CSS menus mobile

/*-----------------------------------------------------------------------------------*/
/*  2b.  MOBILE MENU
/*-----------------------------------------------------------------------------------*/
 .mobile-menu {
    display:none;
}
#slide-buttons {
    background-color: #0097a7;
    border-radius: 50%;
    color: #ffffff;
    height: 40px;
    width: 40px;
    line-height: 46px;
    border: none;
    font-size: 22px;
    padding: 0;
    position: relative;
    -webkit-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
}
.c-menu {
    position: fixed;
    z-index: 200;
    background-color: #0097a7;
    -webkit-transition: -webkit-transform 0.3s;
    transition: transform 0.3s;
}
.c-menu--slide-right {
    width: 100%;
    height: 100%;
}
@media all and (min-width: 320px) {
    .c-menu--slide-right {
        width: 300px;
    }
}
.c-menu--slide-right {
    top: 0;
    right: 0;
    -webkit-transform: translateX(100%);
    -ms-transform: translateX(100%);
    transform: translateX(100%);
}
@media all and (min-width: 320px) {
    .c-menu--slide-right {
        -webkit-transform: translateX(300px);
        -ms-transform: translateX(300px);
        transform: translateX(300px);
    }
}
.c-menu--slide-right.is-active {
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
}
.c-menu__close {
    margin-right: 10px !Important;
    background-color: #ffffff;
    border-radius: 50%;
    color: #0097a7;
    height: 40px;
    width: 40px;
    line-height: 46px;
    border: none;
    font-size: 22px;
    padding: 0;
    position: relative;
    -webkit-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
}
.slide-overlay {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    overflow: hidden;
    width: 0;
    height: 0;
    background-color: #000;
    opacity: 0;
    -webkit-transition: opacity 0.3s, width 0s 0.3s, height 0s 0.3s;
    transition: opacity 0.3s, width 0s 0.3s, height 0s 0.3s;
}
.slide-overlay.is-active {
    width: 100%;
    height: 100%;
    opacity: 0.7;
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
}
.logo-menu-right img {
    display: inline-block;
}
.menus-mobile {
    padding: 25px 20px;
    text-align: left;
    list-style: none;
}
.menus-mobile li a {
    color: #ffffff;
    font-family:'Dosis', sans-serif;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    border-bottom: 1px solid #40b1bd;
    width: 100%;
    display: block;
    padding-bottom: 10px;
    margin-bottom: 10px;
}
.menus-mobile ul.children {
    padding: 0;
    list-style: none;
}
.menus-mobile ul.children li a {
    font-size: 16px;
    padding-left: 10px;
}
.menus-mobile li a:hover, .menus-mobile ul.children li a:hover {
    opacity: 0.7;
}
.logo-menu-right {
    margin: 15px 0px;
}
/* Sub Menu */
 ul.menus-mobile li.page_item_has_children ul.children, ul.menus-mobile li.menu-item-has-children ul.sub-menu {
    display: none;
}
ul.menus-mobile li.page_item_has_children:hover ul.children, ul.menus-mobile li.menu-item-has-children:hover ul.sub-menu {
    display: block;
}
ul.menus-mobile li.page_item_has_children ul.children, ul.menus-mobile li.menu-item-has-children ul.sub-menu {
    position: relative;
    text-align: left;
    padding-left: 10px;
    list-style: none;
}
ul.menus-mobile li.page_item_has_children ul.children li, ul.menus-mobile li.menu-item-has-children ul.sub-menu li {
    margin: 0 !important;
    width: 100%;
}
ul.menus-mobile li.page_item_has_children ul.children li a, ul.menus-mobile li.menu-item-has-children ul.sub-menu li a {
    background-color: transparent !important;
    color: #ffffff;
    padding: 0 !important;
}
ul.menus-mobile li.page_item_has_children ul.children li a:hover, ul.menus-mobile li.menu-item-has-children ul.sub-menu li a:hover {
    background-color: transparent !important;
    color: #ffffff;
    opacity: 0.7;
}
ul.menus-mobile li.page_item_has_children ul.children li a:after, ul.menus-mobile li.page_item_has_children ul.children li a:hover:after, ul.menus-mobile li.menu-item-has-children ul.sub-menu li a:after, ul.menus-mobile li.menu-item-has-children ul.sub-menu li a:hover:after {
    display: none;
}
:-ms-input-placeholder.sb-search-input {
    text-indent: 9999px;
}