* {
  margin: 0;
  padding: 0;
}
body {
  background: #11998e; /* fallback for old browsers */
  background: linear-gradient(
    to bottom,
    #38ef7d,
    #11998e
  );
  
}
.container {
  padding: 10px;
  margin-top: 10px;
}
.myrow {
  margin: auto;
  width: 300px;
}
.myrow .col-5 {
  background-color: #fff;
  margin: 10px;
  text-align: center;
  font-size: 30px;
}
.main {
  color: #fff;
  margin: auto;
  margin-top: 20px;
  height: 300px;
  width: 305px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  background-color: grey;
}
#box1,
#box2,
#box3,
#box4,
#box5,
#box6,
#box7,
#box8,
#box9 {
  height: 100px;
  width: 100px;
  border: 2px solid #000;
  text-align: center;
  font-size: 50px;
  cursor: pointer;
}

#box1,
#box4,
#box7 {
  border-left: none;
}
#box1,
#box2,
#box3 {
  border-top: none;
}
#box3,
#box6,
#box9 {
  border-right: none;
}
#box7,
#box8,
#box9 {
  border-bottom: none;
}

#X {
  background: green;
  color: #fff;
}
#O {
  background: #fff;
  color: #000;
}

#turn {
  font-size: 25px;
}

.heading {
  font-size: 1.4rem;
  font-weight: 600;
}
header .row {
  background-color: #fff;
  padding: 5px;
  margin: 0;
}
.result-col {
  display: flex;
  justify-content: flex-end;
}
.result-col h5 {
  padding: 0;
}

.win-count {
  color: blue;
  font-size: 1.5rem;
}
.result-col p {
  padding: 0;
  margin: 0;
  font-size: 1rem;
  color: indigo;
}

@media screen and (max-width: 600px) {
  header h1 {
    font-size: 20px;
  }
  header h5 {
    font-size: 15px;
  }
  .heading {
    font-size: 1rem;
  }
}