@media screen and (max-width: 500px){
.callback{
display: none;
}
}

.cookie_notice {
display: none;
position: fixed;
z-index: 9999999;
bottom: 0;
left: 0;
right: 0;
text-align: center;
font-size: 15px;
font-family: Verdana, sans-serif;  
color: #FFF;
background: #337AB7;
padding: 10px 20px; 
border-top: 4px solid #BFE2FF;
}
/* Оформление кнопок */
.cookie_btn {
display: inline-block;
margin: 10px 6px 4px 6px;
text-decoration: none;
position: relative;
font-size: 13px;
padding: 4px 12px;
color: #FFF;
font-weight: bold;
text-transform: uppercase; 
background: #337AB7;
border: 2px solid #BFE2FF;
}
.cookie_btn:hover {
color: #FFF;
}
.cookie_btn:after,
.cookie_btn:before {
position: absolute;
height: 2px;
left: 50%;
background: #FFF;
bottom: -6px;
content: "";
transition: all 280ms ease-in-out;
width: 0;
}
.cookie_btn:before {
top: -6px;
}
.cookie_btn:hover:after,
.cookie_btn:hover:before {
width: 100%;
left: 0;
}