* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  display: flex;
  align-items: center;
  padding: 0 10px;
  justify-content: center;
  min-height: 100vh;
  background: #eeeeee;
}

/*Links*/
a:link,
a:visited,
a:active {
  text-decoration: none;
}

/*Título*/
.titulo {
  display: inline-block;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 10px;
  border: none;
  font: normal 38px / normal "Warnes", Helvetica, sans-serif;
  color: rgba(255, 255, 255, 1);
  text-decoration: normal;
  text-align: center;
  -o-text-overflow: clip;
  text-overflow: clip;
  white-space: pre;
  text-shadow: 0 0 10px rgb(255, 0, 0), 0 0 20px rgba(255, 0, 0),
    0 0 30px rgba(255, 0, 0), 0 0 40px #727272, 0 0 70px #727272,
    0 0 80px #4e4e4e, 0 0 100px #2b2b2b;
  -webkit-transition: all 200ms cubic-bezier(0.42, 0, 0.58, 1);
  -moz-transition: all 200ms cubic-bezier(0.42, 0, 0.58, 1);
  -o-transition: all 200ms cubic-bezier(0.42, 0, 0.58, 1);
  transition: all 200ms cubic-bezier(0.42, 0, 0.58, 1);
  text-align: center;
  width: 100%;
  margin-top: 10px;
}

.titulo:hover {
  text-shadow: 0 0 10px rgb(27, 27, 27), 0 0 20px rgba(27, 27, 27),
    0 0 30px rgba(27, 27, 27), 0 0 40px #000000, 0 0 70px #000000,
    0 0 80px #000000, 0 0 100px #000000;
}

/*Envoltorio del calendario*/
.envoltorio {
  width: 450px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 5px 5px 40px;
}

.envoltorio header {
  display: flex;
  align-items: center;
  padding: 25px 30px 10px;
  justify-content: space-between;
}

/*Iconos*/
header .iconos {
  display: flex;
}

header .iconos span {
  height: 38px;
  width: 38px;
  margin: 0 1px;
  cursor: pointer;
  color: #000000;
  text-align: center;
  line-height: 38px;
  font-size: 2rem;
  user-select: none;
  border-radius: 50%;
  font-weight: bold;
}

.iconos span:last-child {
  margin-right: -10px;
}

header .iconos span:hover {
  background: #f2f2f2;
}

/*Fecha actual*/
header .fecha-actual {
  font-size: 1.45rem;
  font-weight: bold;
}

/*Días*/
.calendario .dias li {
  z-index: 1;
  cursor: pointer;
  position: relative;
  margin-top: 30px;
}

.dias li.inactive {
  color: #aaa;
}

.dias li.active {
  color: #fff;
}

.dias li::before {
  position: absolute;
  content: "";
  left: 50%;
  top: 50%;
  height: 40px;
  width: 40px;
  z-index: -1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.dias li.active::before {
  background: #9b59b6;
}

.dias li:not(.active):hover::before {
  background: #f2f2f2;
}

.domingo {
  color: rgb(255, 0, 0) !important;
}

/*calendario*/
.calendario {
  padding: 20px;
}

.calendario ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  text-align: center;
}

.calendario .dias {
  margin-bottom: 20px;
}

.calendario li {
  color: #333;
  width: calc(100% / 7);
  font-size: 1.07rem;
}

.calendario .semana li {
  font-weight: 500;
  cursor: default;
  background-color: #cecece;
  border-radius: 10%;
  border: 1px solid #000;
}