body {
  display: grid;
  height: 100vh;
  margin: 0 0 0 0;
  font-size:16px;
  grid-template-rows: auto 1fr auto;
}


header {
  align-items: center;
  background: #FFFFFF;
  display: flex;
  display:-webkit-flex;
  height: 15rem;
}

main {
  background: #FFFFFF;
  width:100%;
  padding-top: 1em;
  padding-bottom: 1.6em;
}

footer {
  background: #FFFFFF;
  padding: 1.5rem;
  text-align: center;
  font-size: 1.3rem;
  color: #AAAAAA;
}

body {
  font-family: system-ui, sans-serif;
}

.imgoftop{
    width:30%;
    padding-bottom:5rem;
}

.aboutnaiyou{
    align-self: center;
    padding-left: 8%;
    padding-right: 8%;
    color: #848484;
    font-size:2.3rem;
    padding-bottom: 2rem;
}

.bottun_ks{
    color: #FFFFFF;
    font-size: 5.4rem;
    border-radius:12px;
    width:90%;
    height:8rem;
    text-align: center;
    background-color: red;
    border: 1px solid #EfEfEf;
    box-shadow: 5px 5px 5px #8F8F8F;
}

.msgtxt{
    color: #000000;
    font-size: 2rem;
    width: 80%;
    text-align: center;
    line-height:2.2rem;
}
.timebar_unselect{
    color: #FFFFFF;
    font-size: 2.4rem;
    border-radius:12px;
    width:80%;
    height:8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: pink;
    border: 1px solid #EfEfEf;
    box-shadow: 5px 5px 5px #8F8F8F;
}

.timebar_selected{
    color: #FFFFFF;
    font-size: 2.4rem;
    border-radius:12`px;
    width:80%;
    height:8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: orange;
    border: 1px solid #EfEfEf;
    box-shadow: 5px 5px 5px #8F8F8F;
}

.bottun_ss{
    color: #FFFFFF;
    font-size: 5.4rem;
    border-radius:12px;
    width:90%;
    height:8rem;
    text-align: center;
    background-color: green;
    border: 1px solid #EfEfEf;
    box-shadow: 5px 5px 5px #8F8F8F;
}

.err_ip{
    color: #FFFFFF;
    font-size: 3.4rem;
    border-radius:12px;
    width:90%;
    height:8rem;
    text-align: center;
    background-color: red;
    border: 1px solid #EfEfEf;
    box-shadow: 5px 5px 5px #8F8F8F;
}