.headerbuilder .pts-container-wrap .widget-html.block.title_left p::after{
   content: 'technické dotazy & servis +420 602 595 751'; 
    color: #333;
    visibility: visible;
    display: block;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: max-content;
}
.headerbuilder .pts-container-wrap .widget-html.block.title_left p{
    color:transparent;
    visibility:hidden;
    position:relative;
}

@media only screen and (max-width:767px){
 .headerbuilder .pts-container-wrap .widget-html.block.title_left p::after{
    width: 150% !important;
}   
}