.btn { color: #212529; text-align: center; vertical-align: middle; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; background-color: transparent; border: 0 solid transparent; padding: .375rem .75rem; font-size: 1rem; line-height: 1.5; border-radius: .25rem; transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out }
svg:not(:root) { overflow: hidden; }
.icon { font-size: 16px; width: 20px; height: 20px; margin-right: 3px; font-style: normal; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; vertical-align: middle; margin-top: -3px; fill: currentColor }

.e_top-30 { width: 40px; height: 40px; position: fixed; right: 0; bottom: 50px; z-index: 9; }
.e_top-30 .p_top { width: 15px; height: 30px; display: block; background: #717171; color: #fff; }
.e_top-30 .p_top:hover { background: #2d2d2d; }
.e_top-30 .p_top .icon { width: 100%; height: 100%; }
.popover, .tooltip, address { font-style: normal }
.btn-link, .btn:hover, a, a:not([href]), a:not([href]):hover { text-decoration: none }


.ry_wrap { width: 1200px; margin: 0 auto; background: #fff; }