#btn_mxh .layout-contact{display:inline-flex;flex-direction:column;align-items:flex-start;position:fixed;z-index:10;right:25px;bottom:6rem;gap:21px}.zalo-text{font-size:0.875rem!important;font-style:normal;color:white!important;font-weight:700;line-height:1.22094rem;letter-spacing:-.04375rem}#btn_mxh .contact{display:flex;background-color:#1AB7DA;border-radius:50%;justify-content:center;align-items:center}#btn_mxh .phone-call{display:flex;z-index:1;position:relative;background-color:#1AB7DA;border-radius:50%;justify-content:center;align-items:center}#btn_mxh .phone-call::before{content:"";position:absolute;width:calc(100% + 20px);height:calc(100% + 20px);border:1px solid #1AB7DA;border-radius:50%;animation:calleffects 2s linear infinite}#btn_mxh .ping-call{display:flex;width:48px;height:48px;position:absolute;border-radius:50%;justify-content:center;align-items:center}#btn_mxh .ping-call::before{content:"";position:absolute;width:calc(100% + 10px);height:calc(100% + 10px);background-color:#dff6fc;border-radius:50%;transform-origin:center center;animation:pingcall 2s linear infinite}#btn_mxh #progress-value{display:none}@keyframes calleffects{0%{transform:scale(.5);opacity:0}}@keyframes pingcall{0%{transform:scale(.5);opacity:0}}@media only screen and (min-width:481px){#btn_mxh .contact{width:48px;height:48px}#btn_mxh .phone-call{width:48px;height:48px}}@media only screen and (max-width:480px){#btn_mxh span.contact-top{display:none}#btn_mxh .contact{width:7.36347rem;height:7.36347rem}#btn_mxh .contact svg{width:3.99013rem;height:3.9984rem;flex-shrink:0}#btn_mxh .phone-call{width:7.36347rem;height:7.36347rem}}@media (max-width:767.9px){#btn_mxh .layout-contact{bottom:18rem}.zalo-text{font-size:2.875rem!important}#btn_mxh .phone-call,#btn_mxh .contact{width:9.6rem;height:9.6rem}#btn_mxh .contact svg{width:5.99013rem;height:5.9984rem}}