m.css

@import url('https://fonts.googleapis.com/css?family=Poppins');
/*------------------------------General--------------------------*/

body {
  font-family: 'Poppins', sans-serif;
}

section {
    margin-left: 100px;
    margin-right: 100px;
    display: inline-block;
}

.pie-card {
    min-height: 600px;
}

/*------------------------------Spinner--------------------------*/

.lds-ripple {
  display: inline-block;
  position: relative;
  width: 64px;
  height: 64px;
}
.lds-ripple div {
  position: absolute;
  border: 4px solid #dfc;
  opacity: 1;
  border-radius: 50%;
  animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple div:nth-child(2) {
  animation-delay: -0.5s;
}
@keyframes lds-ripple {
  0% {
    top: 28px;
    left: 28px;
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    top: -1px;
    left: -1px;
    width: 58px;
    height: 58px;
    opacity: 0;
  }
}


#overlay {
    background: rgba(0, 0, 0, 0.9);
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    position: fixed;
    padding: 23%;
    height: 100%;
    width: 100%;
    z-index: 100000;
}


/*------------------------------Header--------------------------*/

.logo {
    color: #4bbf73;
    font-size: 22px;
}

.logo:hover {
    color: #8ad5a4;
    text-decoration: none;
}

/*------------------------------Footer--------------------------*/

.footer {
    padding-top: 10px;
}