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

body{
  background-image: linear-gradient(120deg,#98adc0,#b69577);
  min-height: 100vh;
}


.container{
  max-width: 800px;
  margin: auto;
  padding: 10px;
}

.txtb{
  width: 100%;
  border: none;
  border-bottom: 2px solid #000;
  background: none;
  padding: 10px;
  outline: none;
  font-size: 18px;
}

h3{
  margin: 10px 0;
}

.task{
  width: 100%;
  background: rgba(255,255,255,0.5);
  padding: 18px;
  margin: 6px 0;
  overflow: hidden;
}

.task i{
  float: right;
  margin-left: 20px;
  cursor: pointer;
}

.comp .task{
  background: rgba(0,0,0,.5);
  color: #fff;
}
  
button{
  width: 400px;
  height: 82px;
  color: #fff;
  font-family: "montserrat",sans-serif;
  border-radius: 20px;
  margin-top: 30px;
  margin-left: 500px;
  cursor: pointer;
  font-size: 32px;
  background-color: transparent;
  border: none;

}

h1.headline{
  margin-top: 32px;
}