*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  transition: all .3s;
}

body
{
  background: #0f172a ;
}


.container
{
  width: calc(100% - 10vw);
  height: 100vh;
  margin: 0 10vw;
}

.calc
{
  padding: 20px;
  margin: 100px 0 0;
  max-width: 600px;
}

.calc h1
{
  font-size: 60px;
  color: #fff;
  font-weight: 700;
}

.calc h1::selection
{
  background-color: transparent;
  color: #b6b1b1;
}

.calc h1 span
{
  color: rgb(237, 237, 25);
}

.calc .input-box
{
  margin: 70px 0;
  padding: 40px 30px;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, .3);
  box-shadow: 0 0 2px -1px rgba(0, 0, 0, .75);
  display: flex;
  justify-content: space-between;
}

.calc .input-box input
{
  flex: 1;
  padding: 20px 25px;
  outline: 0;
  border-radius: 8px;
  border: 0;
  margin-right: 10px;
  font-size: 18px;
  /* cursor: pointer; */
  position: relative;
}

.calc .input-box button
{
  background-color: rgb(237, 237, 25);
  border-radius: 8px;
  border: 0;
  outline: 0;
  padding: 10px 20px;
  flex-shrink: 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
}

.calc .input-box button:hover
{
  box-shadow: 1px 2px 5px -2px black;
}

.input-box input::-webkit-calendar-picker-indicator
{
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  position: absolute;
  width: auto;
  height: auto;
  background-position: calc(100% - 10px);
  background-size: 30px;
  cursor: pointer;
}
#result
{
  color:white;
  font-size: 20px;
  padding: 0 0 0 15px;
}

#result span
{
  color: rgb(237, 237, 25);
}