body {
  background-color: rgb(16, 25, 31);
}

.material-symbols-rounded {
  font-variation-settings:
  'FILL' 1,
  'wght' 400,
  'GRAD' 0,
  'opsz' 48
}

#SW {
  max-width: 800px;
  height: 600px;
  margin: 0 auto 0;
}

#disp {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 7rem;
  color: white;
  padding: 30px 0;
  display: flex;
  justify-content: center;
}
#disp > div:not(:last-child) > div:nth-child(1) {
  font-size: 100%;
}
#disp > div:not(:last-child) > div:nth-child(2) {
  text-align: center;
  padding-right: 1.5rem;
  font-size: 25%;
  font-weight: 300;
}
#msec {
  position: relative;
  top: 50%;
  transform: translate(0, -50%);
  font-size: 4.5rem;
}
@media (max-width: 800px) {
  #disp {
    font-size: 15vw;
  }
  #disp > div:not(:last-child) > div:nth-child(2) {
    padding-right: 3vw;
  }
  #msec {
    top: 48%;
    font-size: 10vw;
  }
}

#buttons {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

#buttons > div {
  width: 70px;
  height: 70px;
  border: 2px gray solid;
  background-color: rgb(38, 49, 56);
  border-radius: 36px;
  margin: 0 20px;
  cursor: pointer;
}
#buttons > div:first-child {
  background-color: royalblue;
  border: 2px royalblue solid;
}
#buttons > div:hover {
  opacity: 0.8;
}
#buttons > div:active {
  opacity: 0.7;
}
#buttons span {
  font-size: 40px;
  color: rgb(185, 185, 185);
  position: relative;
  left: 15px;
  top: 15px;
}
#buttons div:first-child span{
  color: black;
} 
@media (max-width: 800px) {
  #buttons {
    margin-top: 10px;
  }
  #buttons > div {
    transform: scale(0.75);
    margin: 0 10px;
  }
}

#records {
  color: rgb(230, 230, 230);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 14px;
  height: 250px;
  overflow: auto;
}
table {
  border-collapse: collapse;
  margin: 20px auto 0;
  width: 90%;
  visibility: hidden;
  text-align: left;
}
td, th {
  padding: 10px 0px 10px;
  width: 33%;
}
thead {
  border-bottom: solid rgb(88, 88, 88) 2px;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background-color: rgb(58, 58, 58);
  border-radius: 4px;
}

::-webkit-scrollbar-track:hover {
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background-color: rgb(104, 104, 104);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: rgb(136, 136, 136);
}