*::before,
*::after,
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}



.card {
  max-width: 350px;
  width: 100%;
  padding: 30px;
  border: 1px solid #d9d9d9;
  border-radius: 10px;
}

.card .header {
  display: flex;
  align-items: center;
}

.card .header .img {
  position: relative;
  width: 70px;
  height: 70px;
  background: #d9d9d9;
  border-radius: 50%;
  overflow: hidden;
}

.header .details {
  margin-left: 20px;
}

.details span {
  position: relative;
  display: block;
  background: #d9d9d9;
  border-radius: 10px;
  overflow: hidden;
}

.details .name {
  width: 100px;
  height: 15px;
}

.details .about {
  width: 150px;
  height: 15px;
  margin-top: 10px;
}

.card .content {
  margin: 25px 0;
}

.content .line {
  position: relative;
  height: 13px;
  margin: 10px 0;
  border-radius: 10px;
  background: #d9d9d9;
  overflow: hidden;
}

.content .line-3 {
  width: calc(100% - 40%);
}

.card .btns {
  display: flex;
}

.card .btns .btn {
  position: relative;
  width: 100%;
  height: 40px;
  background: #d9d9d9;
  border-radius: 25px;
  overflow: hidden;
}

.btns .btn-1 {
  margin-right: 8px;
}

.btns .btn-2 {
  margin-left: 8px;
}

.card .header .img::before,
.details span::before,
.content .line::before,
.btns .btn::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(
    to right,
    #d9d9d9 0%,
    #888b94 20%,
    #d9d9d9 40%,
    #d9d9d9 100%
  );
  background-size: 450px 400px;
  background-repeat: no-repeat;
  animation: shimmer 1.4s linear infinite;
}

.details span::before,
.btns .btn-2::before {
  animation-delay: 0.29s;
}

@keyframes shimmer {
  0% {
    background-position: -450px 0px;
  }
  100% {
    background-position: 450px 0px;
  }
}