.wall {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 500px;
  width: 100%;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  margin: 0;
  padding: 0;
}
.signature-pad {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  font-size: 10px;
  width: 100%;
  height: 100%;
  max-width: 780px;
  max-height: 450px;
  border: 1px solid #e8e8e8;
  background-color: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.27), 0 0 40px rgba(0, 0, 0, 0.08) inset;
  border-radius: 4px;
  padding: 16px;
}

.signature-pad::before,
.signature-pad::after {
  position: absolute;
  z-index: -1;
  content: "";
  width: 40%;
  height: 10px;
  bottom: 10px;
  background: transparent;
  /*box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);*/
}

.signature-pad::before {
  left: 20px;
  -webkit-transform: skew(-3deg) rotate(-3deg);
          transform: skew(-3deg) rotate(-3deg);
}

.signature-pad::after {
  right: 20px;
  -webkit-transform: skew(3deg) rotate(3deg);
          transform: skew(3deg) rotate(3deg);
}

.signature-pad--body {
  position: relative;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  border: 1px solid #f4f4f4;
}

.signature-pad--body
canvas {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.02) inset;
}

.signature-pad--footer {
  /*color: #C3C3C3;*/
  text-align: center;
  font-size: 1.2em;
  margin-top: 8px;
}

.signature-pad--actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin-top: 8px;
}

ul.color {
    border-top: 1px solid #dfdfdf;
        padding: 8px 1% 1px;
	list-style: none;
	flex-wrap: wrap;
    display: flex;
    justify-content: center;
}
ul.color li.a {
    background-color: #242424;
}
ul.color li.b {
    background-color: #666;
}
ul.color li.c {
    background-color: #ccc;
}
ul.color li.d {
    background-color: #E02020;
}
ul.color li.e {
    background-color: #7c237c;
}
ul.color li.f {
    background-color: #2361F9;
}
ul.color li.g {
    background-color: #0091FF;
}
ul.color li.h {
    background-color: #32C5FF;
}
ul.color li.i {
    background-color: #65DBDB;
}
ul.color li.j {
    background-color: #14BE88;
}
ul.color li.k {
    background-color: #3ECF8E;
}
ul.color li.l {
    background-color: #7FE4C3;
}
ul.color li.m {
    background-color: #6236FF;
}
ul.color li.n {
    background-color: #91A3F2;
}



ul.color li.actived {
    box-shadow: 0 0 0 3px rgb(35 97 249 / 30%);
}
ul.color li {
    width: 24px;
    height: 24px;
	border-radius: 50%;
    background-color: #2361F9;
    cursor: pointer;
    transition: all ease-in-out .2s;
    margin: 0 7px 6px;
}

.brush-group {
	display: flex;
}

.stroke-button {
border-radius: 4px;
    border: 2px solid #eee;
    padding: 5px;
    margin-left: 10px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

button.stroke-button.actived {
border: 2px solid rgb(0 123 255 / 25%);
    transition: all ease-in-out .2s;
}