.roche-contact .open {
  position: fixed;
    top: 16px;
    right: 10px;
    width: 50px;
    height: 50px;
    display: block;
    cursor: pointer;
    -webkit-transition: opacity 0.2s linear;
    transition: opacity 0.2s linear;
}
.open:hover {
 /*  opacity: 0.8; */
}
.open span {
  display: block;
  float: left;
  clear: both;
  height: 4px;
  width: 32px;
  border-radius: 40px;
  background-color: #fff;
  position: absolute;
  right: 3px;
  top: 3px;
  overflow: hidden;
  -webkit-transition: all 0.4s ease;
  transition: all 0.4s ease;
}
.open span:nth-child(1) {
  margin-top: 10px;
  z-index: 9;
}
.open span:nth-child(2) {
  margin-top: 21px;
}
.open span:nth-child(3) {
      margin-top: 33px;
}

.sub-menu {
  -webkit-transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  height: 0;
  width: 0;
  right: 0;
  top: 0;
  position: absolute;
  background-color: rgba(37, 37, 37, 0.83);
  border-radius: 50%;
  z-index: 18;
  overflow: hidden;
}
.sub-menu li {
  display: block;
  float: right;
  clear: both;
  height: auto;
  margin-right: -160px;
  -webkit-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.sub-menu li:first-child {
  margin-top: 200px;
}
.sub-menu li:nth-child(1) {
  -webkit-transition-delay: 0.05s;
}
.sub-menu li:nth-child(2) {
  -webkit-transition-delay: 0.10s;
}
.sub-menu li:nth-child(3) {
  -webkit-transition-delay: 0.15s;
}
.sub-menu li:nth-child(4) {
  -webkit-transition-delay: 0.20s;
}
.sub-menu li:nth-child(5) {
  -webkit-transition-delay: 0.25s;
}
.sub-menu li a {
  color: #fff;
  font-family: 'Lato', Arial, Helvetica, sans-serif;
  font-size: 15px;
  width: 100%;
  display: block;
  float: left;
  line-height: 30px;
}

.oppenned .sub-menu {
  opacity: 1;
  height: 330px;
  width: 330px;
}
.oppenned span:nth-child(2) {
  overflow: visible;
}
.oppenned span:nth-child(1), .oppenned span:nth-child(3) {
  z-index: 100;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
.oppenned span:nth-child(1) {
  -webkit-transform: rotate(45deg) translateY(7px) translateX(12px);
          transform: rotate(45deg) translateY(7px) translateX(12px);
}
.oppenned span:nth-child(2) {
  height: 330px;
  width: 330px;
  right: -160px;
  top: -160px;
  border-radius: 50%;
  background-color: rgba(37, 37, 37, 0.83);
}
.oppenned span:nth-child(3) {
  -webkit-transform: rotate(-45deg) translateY(-5px) translateX(10px);
         transform: rotate(-45deg) translateY(-5px) translateX(10px);
}
.oppenned li {
  margin-right: 168px;
}

.button {
  display: block;
  float: left;
  clear: both;
  padding: 20px 40px;
  background: #fff;
  border-radius: 3px;
  border: 2px solid #10a1ea;
  overflow: hidden;
  position: relative;
}
.button:after {
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  transition: transform 0.3s ease, -webkit-transform 0.3s ease;
  content: "";
  position: absolute;
  height: 200px;
  width: 400px;
  -webkit-transform: rotate(45deg) translateX(-540px) translateY(-100px);
          transform: rotate(45deg) translateX(-540px) translateY(-100px);
  background: #10a1ea;
  z-index: 1;
}
.button:before {
  -webkit-transition: -webkit-transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: -webkit-transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  content: attr(title);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #fff;
  z-index: 2;
  text-align: center;
  padding: 20px 40px;
  -webkit-transform: translateY(200px);
          transform: translateY(200px);
}
.button:hover {
  text-decoration: none;
}
.button:hover:after {
  -webkit-transform: translateX(-300px) translateY(-100px);
          transform: translateX(-300px) translateY(-100px);
}
.button:hover:before {
  -webkit-transform: translateY(0);
          transform: translateY(0);
}